The HP Rack-mount Kits provide a high density, rack-mountable tape drive and RDX removable disk drive solution for both direct-attach SCSI, USB, or SAS backup and archiving applications. The HP 1U Rack-mount Kit supports DAT and LTO Ultrium internal tape drives, and RDX internal removable disk backup systems. The 1U rack-mount kit is available in SCSI, SAS and USB interfaces. With two (2) Ultrium 3000 drives, the 1U SAS enclosure can provide a maximum compressed capacity of 6 TB with a data transfer rate up to 2 TB/hr. The HP 3U Rack-mount Kit holds two (2) full-height internal tape drives, four (4) half-height internal tape drives, or a combination of one (1) full height and two (2) half-height tape drives. It is available in both SCSI and SAS interfaces. With four (4) LTO-5 Ultrium 3000 SAS drives this enclosure solution can provide a maximum compressed capacity of 12 TB. - HP Rack-mount Kits are ideal for customers who have limited space in their rack as it allows for a smaller footprint leaving valuable space for other key components in the data center - SCSI versions of the 1U and 3U Rack-mount Kit allow customers to connect SCSI tape drives to high-density servers where rack space is a premium - In addition to no tools required for installation, the 1U and 3U rack-mount kits provide top access and removable drive tray for easier access to tape drives