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SATA Express

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The above listed SATA Express connectors provide only two PCI Express lanes, as the result of overall design focusing on a rapid low-cost platform transition. That choice allowed easier backward compatibility with legacy SATA devices, together with making it possible to use cheaper unshielded cables.
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increased over time. As an example, some SSDs available in early 2009 were already well over the capabilities of SATA 1.0 and close to the SATA 2.0 maximum transfer speed, while in the second half of 2013 high-end consumer SSDs had already reached the SATA 3.0 speed limit, requiring an
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does it – the new host-side SATA Express connector is made by "stacking" an additional connector on top of two legacy standard SATA data connectors, which are regular SATA 3.0 (6 Gbit/s) ports that can accept legacy SATA devices. This backward compatibility of the host-side
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platform, through use of its accompanying X370, X300, B350, A320 and A300 chipsets. Ryzen also supports M.2 and other forms of PCI Express storage devices, using up to the total of eight PCI Express 3.0 lanes provided by the chipset and the AM4 CPU. As a result, Ryzen provides bandwidths of up
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chipset became available, bringing support for both SATA Express and M.2 to the Intel's enthusiast platform. Each of the X99's SATA Express ports requires two PCI Express 2.0 lanes provided by the chipset, while the M.2 slots can use either two 2.0 lanes from the chipset itself, or up to four
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While evaluating different approaches to the required speed increase, designers of the SATA interface concluded that extending the SATA interface so it doubles its native speed to 12 Gbit/s would require more than two years, making that approach unsuitable for catching up with advancements in
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as a legacy logical device interface, as visible from the operating system perspective. Access to storage devices using AHCI as a logical device interface is possible for both SATA SSDs and PCI Express SSDs, so operating systems that do not provide support for NVMe can optionally be configured to
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SATA Express interface supports both PCI Express and SATA storage devices by exposing two PCI Express 2.0 or 3.0 lanes and two SATA 3.0 (6 Gbit/s) ports through the same host-side SATA Express connector (but not both at the same time). Exposed PCI Express lanes provide a pure PCI
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Connectors used for SATA Express were selected specifically to ensure backward compatibility with legacy SATA devices where possible, without the need for additional adapters or converters. The connector on the host side accepts either one PCI Express SSD or up to two legacy SATA devices, by
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driver and provided PCI Express lanes, providing backward compatibility with widespread SATA support in operating systems at the cost of not delivering optimal performance by using AHCI for accessing PCI Express SSDs. AHCI was developed back at the time when the purpose of a
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The choice of PCI Express also enables scaling up the performance of SATA Express interface by using multiple lanes and different versions of PCI Express. In more detail, using two PCI Express 2.0 lanes provides a total bandwidth of 1000 MB/s (2 ×
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driver and provided PCI Express lanes, as a high-performance and scalable host controller interface designed and optimized especially for interfacing with PCI Express SSDs. NVMe has been designed from the ground up, capitalizing on the low latency and
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standards were also launched, gaining much larger popularity than Serial ATA and SATA Express. Not many storage devices utilizing the SATA Express interface were released for consumers, and SATA Express ports quickly disappeared from new motherboards.
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revision that was standardized in 2013; extending the SATA specification to also provide a PCI Express interface within the same backward-compatible connector allowed much faster speeds by reusing already existing technology.
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of bandwidth to PCI Express storage devices. The release of these two new chipsets, intended primarily for high-end desktops, was soon followed by the availability of Z97- and H97-based motherboards.
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drivers and host interfaces. Moreover, as of June 2014 there are similar storage products using NVM Express as the non-proprietary logical interface for a PCI Express add-on card.
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based on the Intel Z87 chipset, supporting Haswell processors and using additional ASMedia controller to provide SATA Express connectivity; this motherboard was also showcased at
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SATA Express connector, which is formally known as the host plug, ensures the possibility for attaching legacy SATA devices to hosts equipped with SATA Express controllers.
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relate to NVMe's ability to exploit parallelism in host hardware and software, based on its design advantages that include data transfers with fewer stages, greater depth of
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SSD technology. At the same time, increasing the native SATA speed to 12 Gbit/s would require too many changes to the SATA standard, ending up in a more costly and less
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is used on backplanes for mating directly with SATA Express devices, resulting in cableless connections. This connector is backward compatible by accepting one SATA device.
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Instead of continuing with the SATA interface's usual approach of doubling its native speed with each major version, SATA 3.2 specification included the PCI Express
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SATA Express device plug mates with the U.2 (SFF-8639) and SAS MultiLink (SFF-8630) connectors, but will be functional only if the host supports PCI Express devices.
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solution compared with the already available and widely adopted PCI Express bus. Thus, PCI Express was selected by the designers of SATA interface, as part of the
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when used with PCI Express SSDs, SATA Express interface is unable to deliver its maximum performance when AHCI is used to access PCI Express storage devices; see
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for SATA Express is ensured by fully supporting legacy SATA 3.0 (6 Gbit/s) storage devices, both on the electrical level and through the required
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specification, in its gold revision as of August 2013, standardizes the SATA Express and specifies its hardware layout and electrical parameters.
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SATA device plug mates with the U.2 (SFF-8639) and SAS MultiLink (SFF-8630) connectors, but will be functional only if the host supports SATA devices.
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with legacy SATA devices, and interfaced through the AHCI driver and legacy SATA 3.0 (6 Gbit/s) ports provided by a SATA Express controller.
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Interfaces are listed by their speed in the (roughly) ascending order, so the interface at the end of each section should be the fastest.
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A high-level overview of the SATA Express software architecture, which supports both legacy SATA and PCI Express storage devices, with
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is used on SATA Express devices. This connector is partially backward compatible by allowing SATA Express devices to be plugged into
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SATA Express host-side connector, formally known as the "host plug", accepts both SATA Express and legacy standard SATA data cables.
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of PCI Express SSDs, and complementing the parallelism of contemporary CPUs, platforms and applications. At a high level, primary
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receptacles; however, a SATA Express device connected that way will be functional only if the host supports PCI Express devices.
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by accepting legacy standard SATA data cables, resulting in the host plug providing connectivity for up to two SATA devices.
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support. Mechanically, connectors on the host side retain their backward compatibility in a way similar to how
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As a form factor, SATA Express is considered a failed standard, because when SATA Express was introduced, the
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providing either PCI Express lanes or SATA 3.0 ports depending on the type of connected storage device.
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is the device-side connector on SATA Express cables, backward compatible by accepting one SATA device.
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In May 2014, Intel Z97 and H97 chipsets became available, bringing support for both SATA Express and
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Backward compatibility on the software level, provided for legacy operating systems and associated
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and command sets used for interfacing with storage devices connected to a SATA Express controller:
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The U.2 connector was originally known as SFF-8639, with the renaming taking place in June 2015.
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interact with PCI Express storage devices as if they were legacy AHCI devices. However, because
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is the host-side connector on SATA Express cables. This connector is not backward compatible.
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There are five types of SATA Express connectors, differing by their position and purpose:
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that can access only SATA storage devices, is achieved by retaining support for the AHCI
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processors; availability of these two chipsets was planned for 2014. In December 2013,
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Express connection between the host and storage device, with no additional layers of
3402: 2963: 2948: 2918: 2484: 2336: 2241: 2072: – US patent 20130294023, November 7, 2013, assigned to Raphael Gay 1416: 770: 765: 602:
As of March 2015, some NVM Express devices in form of 2.5-inch drives use the
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Support for SATA Express was initially announced for the Intel 9 Series chipsets,
1676:"The Intel Haswell-E X99 Motherboard Roundup with ASUS, GIGABYTE, ASRock and MSI" 1146:"AHCI and NVMe as Interfaces for SATA Express Devices – Overview" 3362: 3301: 3246: 3240: 2809: 2788: 2711: 2706: 2551: 2489: 2464: 2391: 2175: 2170: 387: 358: 304: 239:), but the need for a faster interface became apparent as the speed of SSDs and 180: 126: 42: 788: 3257: 3187: 2903: 2662: 2361: 2150: 784: 534: 375: 216: 138: 122: 3125: 3074: 2686: 2676: 2643: 2638: 2573: 2448: 2236: 2221: 2216: 2041: 1939: 1679: 1604: 1601:"The Intel Haswell Refresh Review: Core i7-4790, i5-4690 and i3-4360 Tested" 1516: 1360: 1334: 1203: 1048: 517: 353: 2075: 260:
Some vendors also use proprietary logical interfaces for their flash-based
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lanes provides 1969 MB/s (2 × 8 GT/s raw data rate and
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became available, bringing native support for SATA Express to the AMD
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Revision 3.2 of the Serial ATA specification standardizes SATA Express
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The table below summarizes the compatibility of involved connectors.
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on the storage device with additional support from the motherboard
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specification. The SATA Express connector used on the host side is
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is used on motherboards and add-on controllers. This connector is
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MultiLink SAS receptacle is also known as the SFF-8630 connector.
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In April 2014, Asus also demonstrated support for the so-called
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PCIe SSD 101: An Overview of Standards, Markets and Performance
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to 7.88 GB/s for connected PCI Express storage devices.
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lanes for each of their SATA Express ports, providing 1 
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while allowing easy scaling up by using faster or additional
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when applied to SSD devices, which behave much more like
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There are three options available for the logical device
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MultiLink SAS presentations, press releases and roadmaps
231:(standardized in 2004), to 6 Gbit/s as provided by 219:) interface was designed primarily for interfacing with 145:
as a pure PCI Express connection to the storage device.
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Used for PCI Express SSDs and interfaced through the
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Used for PCI Express SSDs and interfaced through the
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Intel SSD DC P3700 Review: Understanding NVM Express
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LFCS: Preparing Linux for nonvolatile memory devices
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for achieving data transfer speeds greater than the
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Archived from 1653:"ASUS Announces Z97-WS Workstation Motherboard" 1009: 1007: 832: 830: 1877:"Intel Solid-State Drive DC P3600 Series" 1304:"Fusion-io ioDrive Duo Enterprise PCIe Review" 1103: 1101: 1071: 1069: 1067: 1065: 900:"Serial ATA Revision 3.2 (Gold Revision)" 207:Two SATA Express connectors (light gray) on a 2874: 2107: 1700:Michael Justin Allen Sexton (March 3, 2017). 8: 1331:"Micron P320h PCIe SSD (700 GB) Review" 943: 941: 939: 937: 935: 311:2014 although no launch date was announced. 35: 1139: 1137: 1135: 1133: 287:(PCHs), with both of them supporting Intel 3054: 2881: 2867: 2859: 2114: 2100: 2092: 894: 892: 890: 888: 316:separate reference clock with independent 1961:"Enterprise SSD Form Factor Version 1.0a" 615: 3213:List of solid-state drive manufacturers 1934:Anand Lal Shimpi (September 13, 2012). 1855:Storage Networking Industry Association 1174:"Understanding SSD System Requirements" 884: 826: 1438:Niels Broekhuijsen (January 7, 2014). 949:"SATA Express Connector Mating Matrix" 483:; as a result, AHCI has some inherent 34: 3028:Flash Forward (joint venture between 2020:Serial ATA International Organization 1848:"SAS Standards and Technology Update" 1846:Harry Mason; Marty Czekalski (2011). 1381:Niels Broekhuijsen (April 17, 2013). 1329:Anand Lal Shimpi (October 15, 2012). 110:(sometimes unofficially shortened to 7: 2034:, April 19, 2013, by Jonathan Corbet 1990:"SFF-8639 Drive Backplane Connector" 1886:. March 20, 2015. pp. 18, 20–22 1726:Gareth Halfacree (August 13, 2013). 1464:Chris Ramseyer (December 20, 2013). 1016:"SSD Market History (1970s to 2014)" 771:NVMe is far more efficient than AHCI 2044:, March 13, 2014, by Kristian Vatto 1198:Anand Lal Shimpi (March 18, 2009). 1078:"SATA Express: PCIe Client Storage" 3229:Advanced Host Controller Interface 2038:NVMe vs AHCI: Another Win for PCIe 1674:Ian Cutress (September 25, 2014). 1625:Thomas Soderstrom (May 13, 2014). 1410:Andrew Cunningham (May 11, 2014). 357:3.0 lanes taken directly from the 177:Advanced Host Controller Interface 14: 1915:. SFF Committee. January 15, 2015 1355:Anand Lal Shimpi (June 3, 2014). 1076:Paul Wassenberg (June 25, 2013). 1043:Kristian Vatto (March 13, 2014). 175:In addition to supporting legacy 3416: 3415: 2845: 2844: 2054:, August 13, 2014, by Drew Riley 1247:Les Tokar (September 22, 2013). 1144:Dave Landsman (August 9, 2013). 787: 411:as the logical device interfaces 41: 1014:Zsolt Kerekes (June 25, 2014). 606:connector (originally known as 341:. Z97 and H97 chipsets use two 1651:Nathan Kirsch (May 12, 2014). 1: 2439:Intel Ultra Path Interconnect 1752:Mark Tyson (April 24, 2014). 1571:Sean Portnoy (May 12, 2014). 774: 141:, while it also provides two 2417:Intel QuickPath Interconnect 2407:Direct Media Interface (DMI) 1820:Paul Alcorn (June 5, 2015). 1599:Ian Cutress (May 11, 2014). 1490:Geoff Gasior (May 1, 2014). 510:advantages of NVMe over AHCI 3490: 3474:Motherboard expansion slot 2402:Compute Express Link (CXL) 1702:"AMD's AM4 Ryzen Chipsets" 1224:Les Tokar (June 4, 2013). 528: 25: 18: 3411: 2838: 2639:IEEE-1284 (parallel port) 2554:logical device interface) 803:List of device bandwidths 491:than like spinning media. 40: 16:Computer device interface 2085:January 1, 2019, at the 617:Connector mating matrix 285:Platform Controller Hubs 19:Not to be confused with 2929:Flash memory controller 572:Device cable receptacle 244:even faster interface. 3353:JEDEC / JC-42, JC-64.8 2201:List of bus bandwidths 2080:SCSI Trade Association 746:backward compatibility 544: 496:PCI Express using NVMe 467:PCI Express using AHCI 460:backward compatibility 412: 303:-Deluxe/SATA Express" 299:unveiled a prototype " 212: 156:speed limit of 6  3341:Related organizations 566:Host cable receptacle 542: 535:Serial ATA connectors 516:, and more efficient 432:/s raw data rate and 402: 367:In early March 2017, 352:In late August 2014, 206: 82:Hotplugging interface 3270:Universal Serial Bus 3264:Serial attached SCSI 2644:IEEE-1394 (FireWire) 2382:PCI Extended (PCI-X) 2069:Interface card mount 1994:storageinterface.com 814:Serial attached SCSI 766:controller interface 438:PCI Express 3.0 343:PCI Express 2.0 209:computer motherboard 28:SRI (disambiguation) 3469:Computer connectors 2998:Flash manufacturers 2989:Write amplification 2974:Solid-state storage 2485:Parallel ATA (PATA) 618: 560:backward compatible 436:), while using two 139:SATA data connector 135:backward compatible 121:that supports both 37: 3449:2013 introductions 3163:Greenliant Systems 2934:Garbage collection 2890:Solid-state drives 2392:PCI Express (PCIe) 1552:. January 10, 2013 795:Electronics portal 777:for more details. 616: 545: 442:128b/130b encoding 413: 213: 137:with the standard 3431: 3430: 3363:NVMHCI Work Group 3206:SSD manufacturers 3201: 3200: 2959:Over-provisioning 2914:Flash file system 2856: 2855: 2842: 2569:Apple Desktop Bus 2546:PCI Express (via 2505:Serial ATA (SATA) 2191:Network on a chip 2024:(SATA-IO) website 1968:ssdformfactor.org 1308:storagereview.com 1020:storagesearch.com 920:on March 27, 2014 737: 736: 422:SATA revision 3.2 420:abstraction. 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April 29, 2014 1513: 1507: 1506: 1504: 1502: 1487: 1481: 1480: 1478: 1476: 1461: 1455: 1454: 1452: 1450: 1435: 1429: 1428: 1426: 1424: 1407: 1398: 1397: 1395: 1393: 1378: 1372: 1371: 1369: 1367: 1352: 1346: 1345: 1343: 1341: 1326: 1320: 1319: 1317: 1315: 1300: 1294: 1293: 1291: 1289: 1274: 1261: 1260: 1258: 1256: 1251:. The SSD Review 1244: 1238: 1237: 1235: 1233: 1228:. The SSD Review 1221: 1215: 1214: 1212: 1210: 1195: 1189: 1188: 1186: 1184: 1170: 1164: 1163: 1161: 1159: 1150: 1141: 1128: 1127: 1125: 1123: 1113: 1105: 1096: 1095: 1093: 1091: 1082: 1073: 1060: 1059: 1057: 1055: 1040: 1031: 1030: 1028: 1026: 1011: 1002: 1001: 999: 997: 992:. August 8, 2013 987: 979: 968: 967: 965: 963: 958:. August 9, 2013 953: 945: 930: 929: 927: 925: 919: 907:knowledgetek.com 904: 896: 873: 870: 861: 858: 849: 846: 837: 834: 797: 792: 791: 750:operating system 641:host receptacle 619: 477:host bus adapter 386:form factor and 359:LGA 2011-v3 262:storage products 221:hard disk drives 215:The Serial ATA ( 101: 98: 96: 45: 38: 3489: 3488: 3484: 3483: 3482: 3480: 3479: 3478: 3434: 3433: 3432: 3427: 3407: 3336: 3275: 3217: 3197: 3151: 3105:(bought by OCZ) 3065:Western Digital 3044: 3030:Western Digital 2993: 2897:Key terminology 2892: 2887: 2857: 2852: 2843: 2834: 2793: 2772: 2721: 2634:IEEE-488 (GPIB) 2557: 2453: 2432:Infinity Fabric 2262:Europe Card Bus 2205: 2139: 2120: 2087:Wayback Machine 2067: 2018: 2017: 2013: 2008: 1998: 1996: 1988: 1987: 1983: 1973: 1971: 1963: 1959: 1958: 1954: 1944: 1942: 1933: 1932: 1928: 1918: 1916: 1913:ftp.seagate.com 1908: 1904: 1903: 1899: 1889: 1887: 1879: 1875: 1874: 1870: 1860: 1858: 1850: 1845: 1844: 1840: 1830: 1828: 1819: 1818: 1811: 1801: 1799: 1795: 1784: 1780: 1779: 1772: 1762: 1760: 1751: 1750: 1746: 1736: 1734: 1725: 1724: 1720: 1710: 1708: 1699: 1698: 1694: 1684: 1682: 1673: 1672: 1668: 1658: 1656: 1655:. Legit Reviews 1650: 1649: 1645: 1635: 1633: 1624: 1623: 1619: 1609: 1607: 1598: 1597: 1593: 1583: 1581: 1570: 1569: 1565: 1555: 1553: 1545: 1541: 1540: 1536: 1526: 1524: 1515: 1514: 1510: 1500: 1498: 1489: 1488: 1484: 1474: 1472: 1463: 1462: 1458: 1448: 1446: 1437: 1436: 1432: 1422: 1420: 1409: 1408: 1401: 1391: 1389: 1380: 1379: 1375: 1365: 1363: 1354: 1353: 1349: 1339: 1337: 1328: 1327: 1323: 1313: 1311: 1310:. July 16, 2012 1302: 1301: 1297: 1287: 1285: 1276: 1275: 1264: 1254: 1252: 1246: 1245: 1241: 1231: 1229: 1223: 1222: 1218: 1208: 1206: 1197: 1196: 1192: 1182: 1180: 1172: 1171: 1167: 1157: 1155: 1148: 1143: 1142: 1131: 1121: 1119: 1118:. July 11, 2012 1111: 1107: 1106: 1099: 1089: 1087: 1080: 1075: 1074: 1063: 1053: 1051: 1042: 1041: 1034: 1024: 1022: 1013: 1012: 1005: 995: 993: 985: 981: 980: 971: 961: 959: 951: 947: 946: 933: 923: 921: 917: 902: 898: 897: 886: 882: 877: 876: 871: 864: 859: 852: 847: 840: 835: 828: 823: 793: 786: 783: 742: 714: 689: 664: 657: 650: 645: 640: 635: 633: 628: 626: 595:Host receptacle 537: 527: 434:8b/10b encoding 397: 376:Socket AM4 339:expansion cards 324:clock generator 318:spread spectrum 293:Haswell Refresh 274: 250:power efficient 201: 93: 48: 31: 24: 17: 12: 11: 5: 3487: 3485: 3477: 3476: 3471: 3466: 3461: 3456: 3454:Computer buses 3451: 3446: 3436: 3435: 3429: 3428: 3426: 3425: 3412: 3409: 3408: 3406: 3405: 3400: 3395: 3390: 3385: 3380: 3375: 3370: 3365: 3360: 3355: 3350: 3344: 3342: 3338: 3337: 3335: 3334: 3329: 3324: 3319: 3318: 3317: 3307: 3305:expansion card 3299: 3294: 3289: 3283: 3281: 3280:Configurations 3277: 3276: 3274: 3273: 3267: 3261: 3255: 3250: 3244: 3238: 3232: 3225: 3223: 3219: 3218: 3216: 3215: 3209: 3207: 3203: 3202: 3199: 3198: 3196: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3159: 3157: 3153: 3152: 3150: 3149: 3144: 3143: 3142: 3130: 3129: 3128: 3118: 3113: 3108: 3107: 3106: 3100: 3089: 3088: 3087: 3082: 3077: 3072: 3061: 3059: 3052: 3046: 3045: 3043: 3042: 3037: 3026: 3025: 3024: 3012: 3007: 3001: 2999: 2995: 2994: 2992: 2991: 2986: 2981: 2976: 2971: 2966: 2961: 2956: 2951: 2946: 2941: 2936: 2931: 2926: 2921: 2916: 2911: 2906: 2900: 2898: 2894: 2893: 2888: 2886: 2885: 2878: 2871: 2863: 2854: 2853: 2839: 2836: 2835: 2833: 2832: 2827: 2822: 2812: 2807: 2801: 2799: 2795: 2794: 2792: 2791: 2786: 2780: 2778: 2774: 2773: 2771: 2770: 2765: 2760: 2755: 2750: 2745: 2743:Intel HD Audio 2740: 2735: 2733:ADAT Lightpipe 2729: 2727: 2723: 2722: 2720: 2719: 2714: 2709: 2704: 2699: 2694: 2689: 2684: 2679: 2674: 2656: 2651: 2646: 2641: 2636: 2631: 2626: 2621: 2616: 2611: 2606: 2601: 2596: 2591: 2586: 2581: 2576: 2571: 2565: 2563: 2559: 2558: 2556: 2555: 2544: 2539: 2534: 2529: 2524: 2523: 2522: 2517: 2507: 2502: 2497: 2492: 2487: 2482: 2477: 2472: 2467: 2461: 2459: 2455: 2454: 2452: 2451: 2446: 2441: 2436: 2435: 2434: 2427:HyperTransport 2424: 2419: 2414: 2409: 2404: 2399: 2394: 2389: 2384: 2379: 2374: 2369: 2364: 2359: 2354: 2349: 2344: 2339: 2334: 2329: 2324: 2319: 2314: 2309: 2304: 2299: 2294: 2289: 2284: 2279: 2274: 2269: 2264: 2259: 2254: 2249: 2244: 2239: 2234: 2229: 2224: 2219: 2213: 2211: 2207: 2206: 2204: 2203: 2198: 2193: 2188: 2183: 2181:Bus contention 2178: 2173: 2168: 2163: 2158: 2156:Front-side bus 2153: 2147: 2145: 2141: 2140: 2137:computer buses 2121: 2119: 2118: 2111: 2104: 2096: 2090: 2089: 2073: 2065: 2055: 2052:Tom's Hardware 2045: 2035: 2025: 2012: 2011:External links 2009: 2007: 2006: 1981: 1952: 1926: 1897: 1868: 1838: 1826:Tom's Hardware 1809: 1770: 1744: 1718: 1706:Tom's Hardware 1692: 1666: 1643: 1631:Tom's Hardware 1617: 1591: 1563: 1534: 1508: 1496:techreport.com 1482: 1456: 1444:Tom's Hardware 1430: 1399: 1387:Tom's Hardware 1373: 1347: 1321: 1295: 1262: 1239: 1216: 1190: 1165: 1129: 1097: 1061: 1032: 1003: 969: 931: 883: 881: 878: 875: 874: 862: 850: 838: 825: 824: 822: 819: 818: 817: 811: 805: 799: 798: 782: 779: 762:device drivers 741: 738: 735: 734: 731: 728: 725: 722: 719: 716: 710: 709: 706: 703: 700: 697: 694: 691: 685: 684: 681: 678: 675: 672: 669: 666: 660: 659: 652: 647: 642: 637: 630: 623: 599: 598: 592: 575: 569: 563: 526: 523: 522: 521: 514:command queues 497: 493: 492: 485:inefficiencies 481:magnetic media 468: 464: 463: 456: 396: 393: 273: 270: 200: 197: 103: 102: 91: 87: 86: 83: 79: 78: 73: 69: 68: 64:Up to 16  62: 58: 57: 54: 50: 49: 46: 15: 13: 10: 9: 6: 4: 3: 2: 3486: 3475: 3472: 3470: 3467: 3465: 3462: 3460: 3457: 3455: 3452: 3450: 3447: 3445: 3442: 3441: 3439: 3424: 3423: 3414: 3413: 3410: 3404: 3401: 3399: 3396: 3394: 3391: 3389: 3386: 3384: 3381: 3379: 3378:SFF Committee 3376: 3374: 3371: 3369: 3366: 3364: 3361: 3359: 3356: 3354: 3351: 3349: 3346: 3345: 3343: 3339: 3333: 3330: 3328: 3325: 3323: 3320: 3316: 3313: 3312: 3311: 3308: 3306: 3303: 3300: 3298: 3295: 3293: 3290: 3288: 3285: 3284: 3282: 3278: 3271: 3268: 3265: 3262: 3259: 3256: 3254: 3251: 3248: 3245: 3242: 3239: 3236: 3235:Fibre Channel 3233: 3230: 3227: 3226: 3224: 3220: 3214: 3211: 3210: 3208: 3204: 3194: 3191: 3189: 3186: 3184: 3181: 3179: 3176: 3174: 3171: 3169: 3166: 3164: 3161: 3160: 3158: 3154: 3148: 3145: 3140: 3136: 3135: 3134: 3131: 3127: 3124: 3123: 3122: 3119: 3117: 3114: 3112: 3109: 3104: 3101: 3098: 3095: 3094: 3093: 3090: 3086: 3083: 3081: 3078: 3076: 3073: 3071: 3068: 3067: 3066: 3063: 3062: 3060: 3056: 3053: 3051: 3047: 3041: 3038: 3035: 3031: 3027: 3022: 3018: 3017: 3016: 3013: 3011: 3008: 3006: 3003: 3002: 3000: 2996: 2990: 2987: 2985: 2984:Wear leveling 2982: 2980: 2977: 2975: 2972: 2970: 2967: 2965: 2962: 2960: 2957: 2955: 2952: 2950: 2947: 2945: 2942: 2940: 2937: 2935: 2932: 2930: 2927: 2925: 2922: 2920: 2917: 2915: 2912: 2910: 2907: 2905: 2902: 2901: 2899: 2895: 2891: 2884: 2879: 2877: 2872: 2870: 2865: 2864: 2861: 2851: 2837: 2831: 2828: 2826: 2823: 2820: 2816: 2813: 2811: 2808: 2806: 2805:Multidrop bus 2803: 2802: 2800: 2796: 2790: 2787: 2785: 2782: 2781: 2779: 2775: 2769: 2766: 2764: 2761: 2759: 2756: 2754: 2751: 2749: 2746: 2744: 2741: 2739: 2736: 2734: 2731: 2730: 2728: 2724: 2718: 2715: 2713: 2712:External PCIe 2710: 2708: 2705: 2703: 2700: 2698: 2695: 2693: 2692:Parallel SCSI 2690: 2688: 2685: 2683: 2680: 2678: 2675: 2672: 2668: 2664: 2660: 2657: 2655: 2652: 2650: 2647: 2645: 2642: 2640: 2637: 2635: 2632: 2630: 2627: 2625: 2622: 2620: 2617: 2615: 2612: 2610: 2607: 2605: 2602: 2600: 2597: 2595: 2592: 2590: 2587: 2585: 2584:Commodore bus 2582: 2580: 2577: 2575: 2572: 2570: 2567: 2566: 2564: 2560: 2553: 2549: 2545: 2543: 2540: 2538: 2535: 2533: 2532:Fibre Channel 2530: 2528: 2525: 2521: 2518: 2516: 2513: 2512: 2511: 2508: 2506: 2503: 2501: 2498: 2496: 2493: 2491: 2488: 2486: 2483: 2481: 2478: 2476: 2473: 2471: 2468: 2466: 2463: 2462: 2460: 2456: 2450: 2447: 2445: 2442: 2440: 2437: 2433: 2430: 2429: 2428: 2425: 2423: 2420: 2418: 2415: 2413: 2410: 2408: 2405: 2403: 2400: 2398: 2395: 2393: 2390: 2388: 2385: 2383: 2380: 2378: 2375: 2373: 2370: 2368: 2365: 2363: 2360: 2358: 2355: 2353: 2350: 2348: 2345: 2343: 2340: 2338: 2335: 2333: 2330: 2328: 2325: 2323: 2320: 2318: 2315: 2313: 2310: 2308: 2305: 2303: 2300: 2298: 2295: 2293: 2290: 2288: 2285: 2283: 2280: 2278: 2275: 2273: 2270: 2268: 2265: 2263: 2260: 2258: 2255: 2253: 2250: 2248: 2245: 2243: 2240: 2238: 2235: 2233: 2230: 2228: 2225: 2223: 2220: 2218: 2215: 2214: 2212: 2208: 2202: 2199: 2197: 2196:Plug and play 2194: 2192: 2189: 2187: 2186:Bus mastering 2184: 2182: 2179: 2177: 2174: 2172: 2169: 2167: 2164: 2162: 2161:Back-side bus 2159: 2157: 2154: 2152: 2149: 2148: 2146: 2142: 2138: 2135: 2131: 2129: 2124: 2117: 2112: 2110: 2105: 2103: 2098: 2097: 2094: 2088: 2084: 2081: 2077: 2074: 2070: 2066: 2063: 2059: 2056: 2053: 2049: 2046: 2043: 2039: 2036: 2033: 2029: 2026: 2021: 2015: 2014: 2010: 1995: 1991: 1985: 1982: 1969: 1962: 1956: 1953: 1941: 1937: 1930: 1927: 1914: 1907: 1901: 1898: 1885: 1878: 1872: 1869: 1856: 1849: 1842: 1839: 1827: 1823: 1816: 1814: 1810: 1794: 1790: 1783: 1777: 1775: 1771: 1759: 1755: 1748: 1745: 1733: 1729: 1722: 1719: 1707: 1703: 1696: 1693: 1681: 1677: 1670: 1667: 1654: 1647: 1644: 1632: 1628: 1621: 1618: 1606: 1602: 1595: 1592: 1580: 1579: 1574: 1567: 1564: 1551: 1544: 1538: 1535: 1522: 1518: 1512: 1509: 1497: 1493: 1486: 1483: 1471: 1470:tweaktown.com 1467: 1460: 1457: 1445: 1441: 1434: 1431: 1419: 1418: 1413: 1406: 1404: 1400: 1388: 1384: 1377: 1374: 1362: 1358: 1351: 1348: 1336: 1332: 1325: 1322: 1309: 1305: 1299: 1296: 1283: 1279: 1273: 1271: 1269: 1267: 1263: 1250: 1243: 1240: 1227: 1220: 1217: 1205: 1201: 1194: 1191: 1179: 1175: 1169: 1166: 1154: 1147: 1140: 1138: 1136: 1134: 1130: 1117: 1110: 1104: 1102: 1098: 1086: 1079: 1072: 1070: 1068: 1066: 1062: 1050: 1046: 1039: 1037: 1033: 1021: 1017: 1010: 1008: 1004: 996:September 11, 991: 984: 978: 976: 974: 970: 957: 950: 944: 942: 940: 938: 936: 932: 916: 912: 908: 901: 895: 893: 891: 889: 885: 879: 869: 867: 863: 857: 855: 851: 845: 843: 839: 833: 831: 827: 820: 815: 812: 809: 806: 804: 801: 800: 796: 790: 785: 780: 778: 776: 772: 767: 763: 758: 755: 751: 747: 744:Device-level 740:Compatibility 739: 732: 729: 726: 723: 720: 717: 712: 711: 707: 704: 701: 698: 695: 692: 687: 686: 682: 679: 676: 673: 670: 667: 662: 661: 656: 655:SAS MultiLink 653: 649:U.2 backplane 648: 643: 638: 631: 624: 621: 620: 614: 611: 609: 605: 596: 593: 590: 589:MultiLink SAS 586: 583: 579: 576: 573: 570: 567: 564: 561: 557: 554: 553: 552: 549: 541: 536: 532: 524: 519: 515: 511: 507: 502: 498: 495: 494: 490: 486: 482: 478: 473: 469: 466: 465: 461: 457: 454: 453: 452: 450: 445: 443: 439: 435: 431: 425: 423: 419: 410: 406: 401: 394: 392: 389: 385: 380: 377: 373: 370: 365: 363: 360: 355: 350: 348: 344: 340: 336: 331: 329: 325: 321: 319: 312: 310: 306: 302: 298: 294: 290: 286: 283: 279: 271: 269: 267: 263: 258: 255: 251: 245: 242: 241:hybrid drives 238: 234: 233:SATA 3.0 230: 229:SATA 2.0 226: 225:SATA 1.0 222: 218: 210: 205: 198: 196: 194: 190: 186: 182: 178: 173: 171: 167: 163: 159: 155: 154:SATA 3.0 151: 146: 144: 140: 136: 132: 131:SATA 3.2 128: 124: 120: 117: 113: 109: 100: 92: 88: 84: 80: 77: 74: 70: 67: 63: 59: 55: 51: 44: 39: 33: 29: 22: 3464:Serial buses 3444:SATA Express 3420: 3253:SATA Express 3252: 2979:Trim command 2969:Secure erase 2964:Read disturb 2919:Flash memory 2541: 2337:TURBOchannel 2127: 1997:. Retrieved 1993: 1984: 1972:. Retrieved 1967: 1955: 1943:. Retrieved 1929: 1917:. Retrieved 1912: 1900: 1888:. Retrieved 1871: 1859:. Retrieved 1857:. p. 19 1841: 1829:. Retrieved 1800:. Retrieved 1793:the original 1763:November 29, 1761:. Retrieved 1757: 1747: 1735:. Retrieved 1732:bit-tech.net 1731: 1721: 1709:. Retrieved 1695: 1683:. Retrieved 1669: 1657:. Retrieved 1646: 1634:. Retrieved 1620: 1608:. Retrieved 1594: 1582:. Retrieved 1576: 1566: 1554:. Retrieved 1537: 1525:. Retrieved 1511: 1499:. Retrieved 1495: 1485: 1473:. Retrieved 1469: 1459: 1447:. Retrieved 1433: 1421:. Retrieved 1417:Ars Technica 1415: 1390:. Retrieved 1376: 1364:. Retrieved 1350: 1338:. Retrieved 1324: 1312:. Retrieved 1307: 1298: 1286:. Retrieved 1253:. Retrieved 1242: 1230:. Retrieved 1219: 1207:. Retrieved 1193: 1181:. Retrieved 1168: 1156:. Retrieved 1120:. Retrieved 1088:. Retrieved 1052:. Retrieved 1023:. Retrieved 1019: 994:. Retrieved 960:. Retrieved 922:. Retrieved 915:the original 906: 759: 754:USB 3.0 743: 715:device plug 690:device plug 688:SATA Express 663:SATA Express 639:SATA Express 634:device cable 632:SATA Express 625:SATA Express 612: 607: 603: 600: 594: 577: 571: 565: 555: 550: 546: 446: 426: 414: 381: 366: 351: 332: 315: 313: 275: 272:Availability 259: 246: 214: 174: 147: 116:computer bus 111: 108:SATA Express 107: 106: 53:Year created 36:SATA Express 32: 3310:Thunderbolt 3302:PCI Express 3247:PCI Express 3241:NVM Express 3156:Independent 3050:Controllers 2949:Memory wear 2810:CoreConnect 2789:ExpressCard 2717:Thunderbolt 2707:Camera Link 2490:Bus and Tag 2176:Address bus 2171:Control bus 2166:Daisy chain 1999:October 12, 1945:October 12, 1475:January 10, 1449:January 10, 1392:January 10, 658:receptacle 651:receptacle 646:receptacle 636:receptacle 629:receptacle 578:Device plug 520:processing. 506:parallelism 455:Legacy SATA 305:motherboard 266:proprietary 193:in parallel 191:operations 181:NVM Express 127:PCI Express 125:(SATA) and 3459:Serial ATA 3438:Categories 3315:USB Type-C 3258:Serial ATA 3222:Interfaces 3188:PMC-Sierra 2904:Encryption 2663:ACCESS.bus 2562:Peripheral 2362:InfiniBand 2357:HP GSC bus 2151:System bus 1685:October 2, 1314:October 2, 1288:October 2, 1255:October 7, 1232:October 7, 1158:October 2, 1090:October 2, 962:October 2, 880:References 665:host plug 644:SATA cable 627:host cable 585:backplanes 531:M.2 (NGFF) 529:See also: 525:Connectors 449:interfaces 123:Serial ATA 3126:SandForce 3075:Fusion-io 2624:Lightning 2574:Atari SIO 2449:SpaceWire 2282:Zorro III 2222:S-100 bus 2217:SS-50 bus 2210:Standards 2130:standards 2123:Technical 2042:AnandTech 2016:Official 1940:AnandTech 1919:April 12, 1890:April 11, 1802:March 26, 1758:hexus.net 1737:March 27, 1680:AnandTech 1605:AnandTech 1361:AnandTech 1335:AnandTech 1204:AnandTech 1049:AnandTech 556:Host plug 518:interrupt 458:Used for 354:Intel X99 166:bandwidth 119:interface 3422:Category 3393:T10/SCSI 3173:Maxiotek 3133:SK Hynix 3103:Indilinx 3015:SK Hynix 2850:Category 2825:Wishbone 2798:Embedded 2777:Portable 2697:Profibus 2629:DMX512-A 2515:Parallel 2367:Ethernet 2277:Zorro II 2227:Multibus 2128:de facto 2083:Archived 1974:June 12, 1861:June 10, 1209:July 18, 1183:July 18, 1054:July 11, 1025:July 18, 924:April 7, 781:See also 608:SFF-8639 395:Features 328:firmware 320:clocking 254:SATA 3.2 97:.sata-io 3403:T13/ATA 3373:SATA-IO 3178:Marvell 3137:Bought 3121:Seagate 3116:Samsung 3070:SanDisk 3058:Captive 3019:Bought 3010:Samsung 2924:SLC/MLC 2830:SLIMbus 2784:PC Card 2768:TOSLINK 2458:Storage 2412:RapidIO 2292:FASTBUS 2247:STD Bus 2144:General 2032:LWN.net 1831:June 9, 1711:July 8, 1659:May 13, 1636:May 13, 1610:May 13, 1584:May 13, 1550:PCI-SIG 1423:May 13, 1366:July 7, 1340:July 7, 1282:SATA-IO 1178:Samsung 1153:SATA-IO 1122:July 2, 1116:PCI-SIG 1085:SATA-IO 990:SATA-IO 956:SATA-IO 911:SATA-IO 622:  428:5  289:Haswell 199:History 114:) is a 90:Website 3398:T11/FC 3368:USB-IF 3348:INCITS 3260:(SATA) 3249:(PCIe) 3243:(NVMe) 3231:(AHCI) 3183:Phison 3111:Micron 3092:Kioxia 3034:Kioxia 3005:Micron 2763:S/PDIF 2654:1-Wire 2619:RS-485 2614:RS-423 2609:RS-422 2604:RS-232 2465:ST-506 2422:NVLink 2272:STEbus 2232:Unibus 1556:May 5, 1527:May 5, 1501:May 5, 1284:. 2013 158:Gbit/s 76:Serial 66:Gbit/s 3332:EDSFF 3292:mSATA 3272:(USB) 3266:(SAS) 3139:Intel 3021:Intel 2758:McASP 2726:Audio 2671:SMBus 2667:PMBus 2649:UNI/O 2589:HP-IL 2542:SATAe 2527:ESCON 2500:HIPPI 2332:NuBus 2287:CAMAC 2257:Q-Bus 2252:SMBus 2237:VAXBI 2134:wired 1964:(PDF) 1909:(PDF) 1884:Intel 1880:(PDF) 1851:(PDF) 1796:(PDF) 1789:Intel 1785:(PDF) 1578:ZDNet 1546:(PDF) 1149:(PDF) 1112:(PDF) 1081:(PDF) 986:(PDF) 952:(PDF) 918:(PDF) 903:(PDF) 821:Notes 816:(SAS) 775:above 372:Ryzen 170:lanes 112:SATAe 72:Style 61:Speed 21:eSATA 3388:SSSI 3383:SNIA 3358:ONFI 3237:(FC) 3168:Goke 3147:FADU 3085:sTec 3080:HGST 3040:YMTC 3032:and 2944:MB/s 2939:IOPS 2815:AMBA 2753:MADI 2738:AES3 2599:MIDI 2552:NVMe 2548:AHCI 2510:SCSI 2495:DSSI 2470:ESDI 2347:SBus 2307:EISA 2242:MBus 2132:for 2125:and 2062:SNIA 2001:2013 1976:2015 1947:2013 1921:2015 1892:2015 1863:2015 1833:2015 1804:2015 1765:2014 1739:2014 1713:2018 1687:2014 1661:2014 1638:2014 1612:2014 1586:2014 1558:2014 1529:2014 1521:Asus 1503:2014 1477:2014 1451:2014 1425:2014 1394:2014 1368:2015 1342:2015 1316:2013 1290:2013 1257:2013 1234:2013 1211:2014 1185:2014 1160:2013 1124:2015 1092:2013 1056:2014 1027:2014 998:2015 964:2013 926:2015 733:Yes 730:Yes 724:Yes 713:SATA 708:Yes 705:Yes 699:Yes 533:and 501:NVMe 489:DRAM 472:AHCI 409:NVMe 407:and 405:AHCI 388:NVMe 347:GB/s 297:Asus 291:and 280:and 237:SSDs 217:SATA 99:.org 56:2013 3327:U.3 3322:U.2 3297:M.2 3193:SMI 3097:OCZ 2909:ECC 2819:AXI 2748:I²S 2702:USB 2687:D²B 2682:SPI 2677:I3C 2659:I²C 2594:HIL 2579:DCB 2550:or 2537:SSA 2520:SAS 2480:SMD 2475:IPI 2397:AGP 2387:PXI 2377:PCI 2372:UPA 2352:VLB 2342:MCA 2327:VPX 2322:VXS 2317:VXI 2312:VME 2297:LPC 2267:ISA 808:M.2 727:Yes 721:Yes 696:Yes 683:No 677:Yes 674:No 668:Yes 604:U.2 587:or 582:U.2 418:bus 384:M.2 369:AMD 362:CPU 335:M.2 309:CES 301:Z87 282:H97 278:Z97 189:I/O 150:bus 95:www 85:Yes 3440:: 2669:, 2665:, 2078:, 2060:, 2050:, 2040:, 2030:, 1992:. 1966:. 1938:. 1911:. 1882:. 1853:. 1824:. 1812:^ 1787:. 1773:^ 1756:. 1730:. 1704:. 1678:. 1629:. 1603:. 1575:. 1548:. 1519:. 1494:. 1468:. 1442:. 1414:. 1402:^ 1385:. 1359:. 1333:. 1306:. 1280:. 1265:^ 1202:. 1176:. 1151:. 1132:^ 1114:. 1100:^ 1083:. 1064:^ 1047:. 1035:^ 1018:. 1006:^ 988:. 972:^ 954:. 934:^ 909:. 905:. 887:^ 865:^ 853:^ 841:^ 829:^ 718:No 702:No 693:No 680:No 671:No 430:GT 330:. 195:. 172:. 3036:) 2882:e 2875:t 2868:v 2821:) 2817:( 2673:) 2661:( 2115:e 2108:t 2101:v 2003:. 1978:. 1949:. 1923:. 1894:. 1865:. 1835:. 1806:. 1767:. 1741:. 1715:. 1689:. 1663:. 1640:. 1614:. 1588:. 1560:. 1531:. 1505:. 1479:. 1453:. 1427:. 1396:. 1370:. 1344:. 1318:. 1292:. 1259:. 1236:. 1213:. 1187:. 1162:. 1126:. 1094:. 1058:. 1029:. 1000:. 966:. 928:. 30:. 23:.

Index

eSATA
SRI (disambiguation)

Gbit/s
Serial
www.sata-io.org
computer bus
interface
Serial ATA
PCI Express
SATA 3.2
backward compatible
SATA data connector
PCI Express lanes
bus
SATA 3.0
Gbit/s
solid-state drive
bandwidth
lanes
Advanced Host Controller Interface
NVM Express
operating systems
I/O
in parallel

computer motherboard
SATA
hard disk drives
SATA 1.0

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