Chapter 5 Specifications
Drive Performance Specifications
LTO-3 Tape Drive User’s Guide 43
Drive Performance Specifications 5
Table 8 lists the performance specifications for the LTO-3 Tape Drive.
Table 8 Drive
Performance
Specifications
Specification Value
Capacity
LTO Ultrium 3 (680 m) 400 Gbytes (native)
Recording density 5,120 RLL-encoded ONEs per mm
Flux density 10249 cells per mm
Track density 70 tracks per mm
Error recovery Read-after-write Reed Solomon
ECC (2 levels)
Recording unrecoverable errors Less than 1 in 10
17
data bits
Recording undetectable errors Less than 1 in 10
27
data bits
Tape drive type LTO (Ultrium)
Head configuration 2 bumps
16 thin-film write heads per bump
16 MR read heads per bump
2 MR servo heads per bump
Recording format Ultrium 16-channel (U-38)
Recording method 0, 13/11 RLL
Transfer rate (sustained) 68 Mbytes/second (max, native)
Synchronous transfer rate
(burst)
160 Mbytes per sec max
Cartridge unload time 30 seconds
