User's Manual
LTO-4 Drive Specifications
Quantum SuperLoader 3 User’s Guide 136
LTO-4 Drive Specifications
Media Capacity 1
Media Specifications 1
Description HP LTO-4
Read/write transfer rate: maximum
sustained (LTO Ultrium 4 media)
Noncompressed mode: 120 MB/s
Compressed (2:1 typical): 240 MB/s
Burst transfer rate 320 MB/s (maximum, native)
Average access time 62 seconds (from BOT)
Loading time to BOT (for previously written
tape)
< 19 seconds
Unloading time from BOT < 19 seconds
Interface type Ultra 320 SCSI-3 LVD, or
SAS
Media Type Capacity
LTO Ultrium 4 storage capacity 12.8 TB with 16 cartridges
25.6 TB (2:1 typical compression) with 16 cartridges
Characteristic LTO Ultrium 4
LTO Ultrium 4 formatted capacity 800 GB (noncompressed)
1600 GB (2:1 typical compression)
Basic description Pre-formatted (servo written) metal particle
Tape length 820 m (2690.2 ft.)