Spectra Logic Spectra T950V User Manual page 489

Appendix C — Specifications
LTO-8 Drive
When connecting to a Fibre Channel network, LTO‐8 Fibre Channel drives
will attempt to connect at 8 Gb/second, but will 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‐8 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.
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
c. A 1.5 Gb interface speed does not stream an LTO-8 drive at 360 MB/second.
LTO-7 Drive
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.
August 2019
Parameter
Maximum sustained transfer rate
Speed matching range
Average space record time
Encryption capability
WORM capability
MTBF
Uncorrected error rate, calculated
Power consumption
installed in the library.
Parameter
Maximum sustained transfer rate
Speed matching range
Average space record time
Encryption capability
Tape Drive and Media Specifications
Specification
a, b
360 MB/second, native
750 MB/second, compressed
112 MB/second to 360 MB/second
59 seconds
AES 256‐GCM
Yes
250,000 hours at 100% duty cycle
–19
1 x 10 bits
Full‐height:
 Read/write: 40 W Idle: 15 W
Half‐height:
 Read/write: 43 W Idle: 14 W
Specification
a, b
300 MB/second, native
750 MB/second, compressed
100 MB/second to 300 MB/second
56 seconds
AES 256‐GCM
User Guide—Spectra T950V Library
c 
c 
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