IBM System x3650 M3 21Internal backup unitsThe server supports the internal tape drive options listed in the following table. The x3650 M3 TapeEnablement Kit, 59Y3806, is required to support these tapes internally. 59Y3806 upgrades models witheight hot-swap HDD bays to support an internal tape drive (DDS5, DDS6, or RDX). This option includesthe riser card with USB and SAS tape connectors, replacing the standard SAS RAID riser card.Table 10. Internal tape drivesPartnumberFeaturecodeDescription Maximumsupported59Y3806 4181 x3650 M3 Tape Enablement Kit 146C5399 5711 IBM DDS Generation 5 USB Tape Drive 139M5636 5395 IBM DDS Gen 6 USB Tape Drive 146C5367 5708 IBM RDX 320GB Cartridge 146C5368 5709 IBM RDX 500GB Cartridge 100D2786 A2VE IBM RDX Internal USB 3.0 Dock with 320GB Cartridge 100D2787 A2VF IBM RDX Internal USB 3.0 Dock with 500GB Cartridge 100D2788 A2VG IBM RDX Internal USB 3.0 Dock with 1TB Cartridge 1For more information, see the list of IBM Redbooks Product Guides in the Backup units category:http://www.redbooks.ibm.com/portals/systemx?Open&page=pg&cat=tape