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Qualstar entered the enterprise tape library market in 2006 with the XLS-Series
Enterprise Library System. Using patented technology, the XLS-Series introduced interchangeable Library Resource Modules (LRMs)and storage modules (MEMs) in highly flexible configurations that could be combined to exceed
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Qualstar announced the TLS-4000 Series tape library family in 1994 and began shipment in 1995. Initially using
Exabyte 8mm tape drives, the TLS-4000 Series was the first library product line to automate Sony's popular AIT drives. Leveraging the basic TLS design, Qualstar subsequently introduced the
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In 2001, the company introduced the first RLS-Series of rack mountable tape libraries. A number of models supporting AIT, SAIT, SDLT and LTO tape drive technologies were produced. The RLS-8000 Series for LTO technology continues in production. Various models house up to 44 tape cartridges and four
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TLS-6000 Series for DLT and SDLT drives, the TLS-5000 Series for Sony SAIT drives and the TLS-8000 Series for LTO drives. The TLS-2000 Series for 4mm drives was also produced for a limited time. By 2011, only select models of the TLS-8000 family remain in production.
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7,000 tapes and 128 LTO tape drives. The XLS family has continued to expand, adding four more LRM models and a second MEM module. XLS models currently span capacities from 160 slots to over 11,000 slots and can house over 150 drives.
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LTO SAS or Fibre
Channel tape drives in a 5U high package. In 2010 Qualstar introduced the RLS-8500 Series that house up to 114 tapes and five LTO drives in a 10U high mechanism.
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products. The company sold its last 9-track tape drive in 2006 and as of March 2006 has sold all remaining parts inventory to
Vinastar, an aftermarket vendor.
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