Spectra T50e - Tape Rive and Media Specifications; LTO Tape Drive Specifications

Appendix C—Specifications Tape Drive and Media Specifications
August 2017 User Guide—Spectra T50e Library
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TAPE DRIVE AND MEDIA SPECIFICATIONS
Thissectionprovidesthebasicspecificationsforthetapedrivesandmedia
supportedbythelibrary.Thespecificationsinthissectionareprovidedfor
convenienceonlyandaresubjecttochangewithoutnotice.Refertothe
tapedrivedocumentationforthemostcurrentspecifications(seeLTO
UltriumTapeDrivesonpage19).
Note: LTOtapedrivesandcartridgesarealsoreferredtoasLTO
UltriumorUltriumtapedrivesandcartridges.
LTO Tape Drive Specifications
Note: SeeLTOCartridgeCapacitiesonpage503forinformationabout
themediausedinthelibrary.
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‐7SASdrivesattempttoconnectat6Gb/second,butauto‐negotiate
downto3Gb/secondor1.5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 60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