Spectra T950 - Page 546

Appendix D — Specifications Tape Drive and Media Specifications
November 2016 User Guide—Spectra T950 Library
546
LTO -7 D rive
WhenconnectingtoaFibreChannelnetwork,LTO‐7FibreChanneldrives
attempttoconnectat8Gb/second,butauto‐negotiatedownto
4Gb/second,or2Gb/second,dependingon therequirementsoftheportto
whichthedriveisconnected.
LTO -6 D rive
WhenconnectingtoaFibreChannelnetwork,LTO‐6FibreChanneldrives
attempttoconnectat8Gb/second,butauto‐negotiatedownto
4Gb/second,2Gb/second,or1Gb/second,dependingontherequirements
oftheporttowhichthedriveis connected.
Parameter Specification
Maximumsustainedtransferrate
a,b

a. Assuming a 2.5:1 compression ratio. Compression throughput depends on the type of data.
b. This is a per-drive value. Total sustained transfer rate for the library depends on the number of drives
installed in the library.
300MB/second,native
750MB/second,compressed
Speedmatchingrange 100MB/secondto300MB/second
Averagespacerecordtime 56seconds
Encryptioncapability AES256‐GCM
WORMcapability Yes
MTBF 250,000hoursat100%dutycycle
Uncorrectederrorrate,calculated 1x10
–19
bits
Powerconsumption Read/write:31wattstypical
Idle:20watts
Parameter Specification
Maximumsustainedtransferrate
a,b

a. Assuming a 2.5:1 compression ratio. Compression throughput depends on the type of data.
b. This is a per-drive value. Total sustained transfer rate for the library depends on the number of drives
installed in the library.
160MB/second,native
c

400MB/second,compressed
c. A 1.5 Gb interface speed does not stream an LTO-6 drive at 160 MB/second.
Speedmatchingrange 40MB/secondto160MB/second
Averagespacerecordtime 77seconds
Encryptioncapability AES256‐bit
WORMcapability Yes
MTBF 250,000hoursat100%dutycycle
Uncorrectederrorrate 1x10
–17
bits
Powerconsumption Read/write:28wattstypical
Idle:8watts