Spectra T950 - Page 547

Appendix D — Specifications Tape Drive and Media Specifications
November 2016 User Guide—Spectra T950 Library
547
LTO -5 D rive
WhenconnectingtoaFibreChannelnetwork,LTO‐5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.
LTO -4 D rive
LTO‐4drivesarenotsupportedinT950Blibraries.Whenconnectingtoa
FibreChannelnetwork,LTO‐4FibreChanneldrivesattempttoconnectat
4Gb/second,butauto‐negotiatedownto2Gb/secondor1Gb/second,
dependingontherequirementsoftheportto whichthedriv eisconnected.
Note: LTO‐4drivesarenotsupportedinT950Blibraries.
Parameter Specification
Maximumsustainedtransferrate
a,b

a. Assuming a 2:1 compression ratio. Compression throughput depends on the type of data.
b. This is a per-drive value.
140MB/second,native
c

280MB/second,compressed
c. A 1 Gb interface speed does not stream an LTO-5 drive at 140 MB/second.
Speedmatchingrange 30MB/secondto140MB/second
Averagespacerecordtime 75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
b
Read/write:27wattstypical
Idle:7.5watts
Parameter Specification
Sustainedtransferrate
a,b

a. Assuming a 2:1 compression ratio. Compression throughput depends on the type of data.
b. This is a per-drive value.
120MB/secondnative
c

240MB/secondcompressed
c. A 1 Gb interface speed does not stream an LTO-4 drive at 120 MB/second.
Averagespacerecordtime 70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
b
Read/write:29.5wattstypical
Idle:12.5watts