Single drive housed in a an external desktop enclosure. SDLT 160/320 gig drive LTO-1 100/200 gig drive LTO-2 200/400 gig drive DAT 72 36/72 gig drive VS160 80/160 gig drive Uncompressed 160 GB, compressed 320 GB capacity - SDLT320 Uncompressed 100 GB, compressed 200 GB capacity - LTO-1 Uncompressed 200 GB, compressed 400 GB capacity - LTO-2 Uncompressed 80 GB, compressed 160 GB capacity - VS160 Uncompressed 36 GB, compressed 72 GB capacity - DAT 72 Transfer rate - Minimum guaranteed. 500 MB/min transfer rate for LTO-1. 650 MB/min transfer rate for LTO-2 or SDLT 320. Interface - Ultra 2/LVD SCSI (Either an Adaptec 39160 or 29160 is required). Desktop case - 6.3" (h) x 6.9" (w) x 12.5" (d) - Shipping weight 35 lb. Includes SCSI cables - qty 1 12 foot VHDCI to 68 pin high density plus tape drive setup cables. qty 1 cleaning cartridge, SDLT320 tape or LTO tape, terminator.