Knowledge (XXG)

Universal Flash Storage

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On 7 July 2016, Samsung announced its first UFS cards, in 32, 64, 128, and 256 GB storage capacities. The cards were based on the UFS 1.0 Card Extension Standard. The 256 GB version was reported to offer sequential read performance up to 530 MB/s and sequential write performance up to
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A UFS drive's rewrite life cycle affects its lifespan. There is a limit to how many write/erase cycles a flash block can accept before it produces errors or fails altogether. Each write/erase cycle causes a flash memory cell's oxide layer to deteriorate. The reliability of a drive is based on three
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In September 2013, JEDEC published JESD220B UFS 2.0 (update to UFS v1.1 standard published in June 2012). JESD220B Universal Flash Storage v2.0 offers increased link bandwidth for performance improvement, a security features extension and additional power saving features over the UFS v1.1.
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On 30 March 2016, JEDEC published version 1.0 of the UFS Card Extension Standard (JESD220-2), which offered many of the features and much of the same functionality as the existing UFS 2.0 embedded device standard, but with additions and modifications for removable cards.
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The first UFS cards began to be publicly sold in early 2020. According to a Universal Flash Storage Association press release, Samsung planned to transition its products to UFS cards during 2020. Several consumer devices with UFS card slots have been released in 2020.
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Also in March 2016, JEDEC published version 1.1 of the UFS Unified Memory Extension (JESD220-1A), version 2.1 of the UFS Host Controller Interface (UFSHCI) standard (JESD223C), and version 1.1A of the UFSHCI Unified Memory Extension standard (JESD223-1A).
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On 14 May 2019, OnePlus introduced the OnePlus 7 and OnePlus 7 Pro, the first phones to feature built-in eUFS 3.0 (The Galaxy Fold, originally planned to be the first smartphone to feature UFS 3.0 was ultimately delayed after the OnePlus 7's launch).
1255:"UFS Cards will play a critical role" said Hangu Sohn, vice president of NAND Memory Planning at Samsung Electronics. "Moreover, with a royalty-free form factor and open standard design, we expect to see a rapid transition to these cards in 2020." 64:
speed and increased reliability to flash memory storage, while reducing market confusion and removing the need for different adapters for different types of cards. The standard encompasses both packages permanently embedded (via
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On January 30, 2018, the UFS Card Extension standard was updated to version 1.1 (JESD220-2A), and the UFSHCI standard was updated to version 3.0 (JESD223D), to align with UFS version 3.0.
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On 30 January 2018 JEDEC published version 3.0 of the UFS standard, with a higher 11.6 Gbit/s data rate per lane (1450 MB/s) with the use of MIPI M-PHY v4.1 and UniProSM v1.8. At the
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interface that scales better to higher bandwidths than the 8-lane parallel and half-duplex interface of eMMCs. Unlike eMMC, Universal Flash Storage is based on the
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In 2022 Samsung announced version 4.0 doubling from 11.6 Gbit/s to 23.2 Gbit/s with the use of MIPI M-PHY v5.0 and UniPro v2.0. UFS 4.0 introduces
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UFS 2.1 has been implemented in Snapdragon 712 (710&720G), 730G, 732G, 835, 845 and 855. Kirin 960, 970 and 980. Exynos 9609, 9610, 9611, 9810 and 980.
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170 MB/s and random performance of 40,000 read IOPS and 35,000 write IOPS. However, they were apparently not actually released to the public.
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factors: the age of the drive, total terabytes written over time and drive writes per day. This is typical of flash memory in general.
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UFS 3.1 has been implemented in Snapdragon 855+/860, Snapdragon 865, Snapdragon 870, Snapdragon 888, Exynos 2100, and Exynos 2200.
1918: 784: 300:. After that other android OEMs started using this storage solution on their flagship to upper mid-range category smartphones. 1715: 1690: 1567: 1517: 1314: 1592: 926: 850: 825:"Universal Flash Storage (UFS) Eco-System | TOSHIBA Semiconductor & Storage Products Company | Europe(EMEA)" 1211: 1912: 1855: 706: 267:
In April 2015, Samsung's Galaxy S6 family was the first phone to ship with eUFS storage using the UFS 2.0 standard.
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for faster, more power efficient and cheaper UFS solutions. The Host Performance Booster feature is optional.
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UFS 4.0 has been implemented in MediaTek Dimensity 9200, MediaTek Dimensity 8300 and Snapdragon 8 Gen 2.
1873: 1801: 1418:"JEDEC Publishes Universal Flash Storage (UFS & UFSHCI) Version 3.0 and UFS Card Extension Version 1.1" 1087:"SK Hynix released a new UFS 4.1 and ZUFS 4.0 memory. It is optimized for AI and will be in the Galaxy S25" 157: 1944: 204: 1267: 297: 728: 279: 57: 2065: 1981: 212: 117: 34:, a file system implementation in some Unix and BSD operating systems with the same abbreviation. 585:
UFS 3.0 has been implemented in Snapdragon 855, 855+, 860, 865, Exynos 9820–9825, and Kirin 990.
2027: 631: 193: 125: 113: 1924: 1389: 828: 1239:"UFSA Widens UFS Ecosystem, Adding Vendors of Removable Mobile Cards and Related Technology" 282: 31: 1837: 2104: 1931: 66: 1665: 1186:"Qualcomm Snapdragon 865 to sport LPDDR5X RAM, UFS 3.0, will come in 2 variants: Report" 875: 2081: 2055: 2032: 952:"Evolving Mobile Solutions: Samsung at MWC 2018 | Samsung Semiconductor Global Website" 296:
On 08 December 2022, IQOO announced the IQOO 11 which was the first phone to come with
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On 30 January 2020 JEDEC published version 3.1 of the UFS standard. UFS 3.1 introduces
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In 2010, the Universal Flash Storage Association (UFSA) was founded as an open
2087: 2049: 181: 2017: 1165:"Samsung Rolls Out Its First UFS Cards: SSD Performance in Card Form-Factor" 572: 1365:"JEDEC Updates Universal Flash Storage (UFS) and Related Standards | JEDEC" 1493:"JEDEC Advances Universal Flash Storage (UFS) Removable Card Standard 3.0" 1009:"JEDEC Publishes Update to Universal Flash Storage (UFS) Standard | JEDEC" 729:"Toshiba Begins to Sample UFS 3.0 Drives: 96L 3D TLC NAND, Up to 2.9 GB/s" 2109: 275: 245: 129: 1838:"UNIVERSAL FLASH STORAGE (UFS) CARD EXTENSION, Version 3.0 | JEDEC" 2075: 2069: 2060: 208: 177: 121: 1035:"Faster, Cheaper, Power Efficient UFS Storage: UFS 3.1 Spec Published" 2044: 1340:"JEDEC Publishes Universal Flash Storage (UFS) Standard v2.0 | JEDEC" 576: 505: 337: 257: 104:
specification is supported by consumer electronics companies such as
1112:"Toshiba ships first NAND flash chips with faster transfer standard" 17: 900: 1618:"Exynos 9 Series 9820 Processor: Specs, Features | Samsung Exynos" 1593:"Exynos 980 5G Mobile Processor: Specs, Features | Samsung Exynos" 499: 331: 141: 105: 1568:"Exynos 9611 Mobile Processor: Specs, Features | Samsung Exynos" 1518:"Exynos 9609 Mobile Processor: Specs, Features | Samsung Exynos" 149: 133: 1940: 1936: 781:"JEDEC Solid State Technology Association | MIPI Alliance" 2093: 1921:
by Scott Jacobson and Harish Verma at Flash Memory Summit 2013
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In February 2013, semiconductor company Toshiba Memory (now
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chip, the first chip to support the then new UFS standard.
1212:"OnePlus 7 Pro confirmed to feature UFS 3.0 flash storage" 1543:"Exynos 9610 Processor: Specs, Features | Samsung Exynos" 1268:"UFS 4.0 Specifications, Speed Test, UFS 4.0 vs UFS 3.1" 806: 571:
UFS 2.0 has been implemented in Snapdragon 820 and 821.
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Universal Flash Storage Association (3 January 2020).
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unveiled embedded UFS (eUFS) v3.0 and uMCP (UFS-based
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As of Q2 2024, Zoned UFS (ZUFS) is in development by
97:(integrated circuits) with an integrated controller. 2004: 1974: 1691:"Exynos 2100 5G Mobile Processor: Specs, Features" 1716:"Exynos 2200 | Processor | Samsung Semiconductor" 1061:"FBO Delivers Sustained Mobile Phone Performance" 927:"Features Supported by StorUFS - Windows drivers" 1820:"Standards & Documents Search | JEDEC" 1802:"Standards & Documents Search | JEDEC" 1784:"Standards & Documents Search | JEDEC" 1666:"Qualcomm Snapdragon 888: specs and benchmarks" 1952: 970:"eUFS | Samsung Semiconductor Global Website" 851:"Universal Flash Storage: Mobilize Your Data" 8: 1874:"SSD Lifespan: How Long Will Your SSD Work?" 1856:"UFS (Universal Flash Storage) | JEDEC" 1003: 1001: 140:. The electrical interface for UFS uses the 658:"Nokia, Others Back Mobile Memory Standard" 260:) started shipping samples of a 64 GB 1959: 1945: 1937: 1138:"The Samsung Galaxy S6 and S6 edge Review" 756:"Flash memory makers propose common card" 132:. UFS is positioned as a replacement for 60:devices. It was designed to bring higher 480: 312: 162:JEDEC Solid State Technology Association 649: 2136:Computer-related introductions in 2016 1734:"Snapdragon-8-Gen-2-Product-Brief.pdf" 1654:from the original on 6 September 2019. 697:Malykhina, Elena (14 September 2007). 1412: 1410: 7: 1085:Чорновий, Михайло (14 August 2024). 754:Modine, Austin (14 September 2007). 1908:Universal Flash Storage Association 1059:Herreria, Anne (7 September 2022). 579:7420. NVIDIA Jetson AGX Xavier SOMs 228:Performance Throttling Notification 1390:"UNIVERSAL FLASH STORAGE, UFS 2.2" 901:"ufshci(4) - OpenBSD manual pages" 25: 1642:Cutress, Ian (6 September 2019). 925:lorihollasch (15 November 2023). 1995: 2041:(MS, MS-PRO, MS-PRO HG, MS-XC) 1065:Western Digital Corporate Blog 1: 196:to promote the UFS standard. 2131:Solid-state computer storage 30:Not to be confused with the 1925:What is UFS 2.1 smartphone? 596:Complementary UFS standards 180:7.3 and later support UFS. 158:SCSI Tagged Command Queuing 27:Flash storage specification 2152: 2078:(PCMCIA, CardBus, CardBay) 1987:Comparison of memory cards 285:with support for UFS 2.1. 69:package) within a device ( 29: 1993: 880:The Linux Kernel Archives 876:"Universal Flash Storage" 530: 527: 524: 521: 518: 441: 438: 435: 432: 399: 396: 393: 390: 387: 356: 353: 350: 1878:Enterprise Storage Forum 232:Host Performance Booster 154:SCSI architectural model 2099:Universal Flash Storage 239:File Based Optimization 184:and later support UFS. 38:Universal Flash Storage 1622:Samsung Semiconductor 1597:Samsung Semiconductor 1572:Samsung Semiconductor 1547:Samsung Semiconductor 1522:Samsung Semiconductor 496:Max. total bandwidth 493:Max. number of lanes 328:Max. total bandwidth 325:Max. number of lanes 274:On 17 November 2016, 73:), and removable UFS 1930:27 July 2024 at the 787:on 28 September 2011 709:on 12 September 2012 1915:of UFS and UFS Card 931:learn.microsoft.com 831:on 22 December 2015 668:on 9 February 2008. 490:Bandwidth per lane 322:Bandwidth per lane 144:, developed by the 58:consumer electronic 2084:(SDSC, SDHC, SDXC) 1982:Memory card reader 612:Rewrite cycle life 304:Version comparison 213:multi-chip package 118:STMicroelectronics 93:3D TLC NAND flash 48:specification for 2118: 2117: 1913:Current standards 1118:. 8 February 2013 1039:www.anandtech.com 735:. 23 January 2019 632:Solid-state drive 563: 562: 474: 473: 194:trade association 114:Texas Instruments 16:(Redirected from 2143: 1999: 1961: 1954: 1947: 1938: 1890: 1889: 1887: 1885: 1870: 1864: 1863: 1852: 1846: 1845: 1834: 1828: 1827: 1816: 1810: 1809: 1798: 1792: 1791: 1780: 1774: 1773: 1771: 1769: 1755: 1749: 1748: 1746: 1744: 1738: 1730: 1724: 1723: 1712: 1706: 1705: 1703: 1701: 1687: 1681: 1680: 1678: 1676: 1662: 1656: 1655: 1639: 1633: 1632: 1630: 1628: 1614: 1608: 1607: 1605: 1603: 1589: 1583: 1582: 1580: 1578: 1564: 1558: 1557: 1555: 1553: 1539: 1533: 1532: 1530: 1528: 1514: 1508: 1507: 1505: 1503: 1489: 1483: 1482: 1480: 1478: 1464: 1458: 1457: 1455: 1453: 1439: 1433: 1432: 1430: 1428: 1414: 1405: 1404: 1402: 1400: 1386: 1380: 1379: 1377: 1375: 1361: 1355: 1354: 1352: 1350: 1336: 1330: 1329: 1327: 1325: 1311: 1305: 1304: 1302: 1300: 1286: 1280: 1279: 1277: 1275: 1264: 1258: 1257: 1252: 1250: 1234: 1228: 1227: 1225: 1223: 1208: 1202: 1201: 1199: 1197: 1182: 1176: 1175: 1173: 1171: 1160: 1154: 1153: 1151: 1149: 1134: 1128: 1127: 1125: 1123: 1108: 1102: 1101: 1099: 1097: 1082: 1076: 1075: 1073: 1071: 1056: 1050: 1049: 1047: 1045: 1030: 1024: 1023: 1021: 1019: 1005: 996: 995: 984: 978: 977: 966: 960: 959: 948: 942: 941: 939: 937: 922: 916: 915: 913: 911: 897: 891: 890: 888: 886: 872: 866: 865: 863: 861: 847: 841: 840: 838: 836: 827:. 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It may use 88: 80: 78: 76: 72: 68: 63: 62:data transfer 59: 55: 54:mobile phones 51: 47: 46:flash storage 43: 39: 33: 19: 2098: 2039:Memory Stick 2023:Express Card 2012:CompactFlash 1968:Memory cards 1919:Presentation 1882:. Retrieved 1877: 1868: 1859: 1850: 1841: 1832: 1823: 1814: 1805: 1796: 1787: 1778: 1766:. Retrieved 1762: 1753: 1741:. Retrieved 1728: 1719: 1710: 1698:. Retrieved 1694: 1685: 1673:. Retrieved 1669: 1660: 1647: 1637: 1625:. Retrieved 1621: 1612: 1600:. Retrieved 1596: 1587: 1575:. Retrieved 1571: 1562: 1550:. Retrieved 1546: 1537: 1525:. Retrieved 1521: 1512: 1500:. Retrieved 1496: 1487: 1475:. Retrieved 1471: 1462: 1452:18 September 1450:. Retrieved 1446: 1437: 1425:. Retrieved 1421: 1397:. Retrieved 1393: 1384: 1372:. Retrieved 1368: 1359: 1347:. Retrieved 1343: 1334: 1322:. Retrieved 1318: 1309: 1297:. Retrieved 1293: 1284: 1272:. Retrieved 1262: 1254: 1247:. Retrieved 1242: 1232: 1220:. Retrieved 1218:. 6 May 2019 1215: 1206: 1194:. Retrieved 1189: 1180: 1168:. 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Index

EUFS
Unix File System
flash storage
digital cameras
mobile phones
consumer electronic
data transfer
ball grid array
memory cards
NAND flash
multiple stacked
dies
flash memory
Nokia
Sony Ericsson
Texas Instruments
STMicroelectronics
Samsung
Micron
SK Hynix
eMMCs
SD cards
M-PHY
MIPI Alliance
LVDS
SCSI architectural model
SCSI Tagged Command Queuing
JEDEC Solid State Technology Association
Linux kernel
OpenBSD

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