Chapter 4 — Library Specifications Tape Drive and Media Specifications
September 2022 Site Preperation Guide—Spectra T200, T380, and T680 Library
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LTO Tape Drive Specifications
This section provides specifications for the LTO drives supported by the
library. See Tape Media Specifications on page 52 for information about the
media used in the library.
Note: LTO drives and media are also referred to as Ultrium or LTO
Ultrium drives and media.
LTO -9 Drive
When connecting to a Fibre Channel network, LTO-9 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-9 SAS drives attempt to connect at 12 Gb/second, but auto-negotiate
down to 6 Gb/second or 3 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.
400 MB/second, native
900 MB/second, compressed SAS
700 MB/second, compressed Fibre
Speed matching range 177 MB/second to 400 MB/second
Average space record time TBD
Encryption capability AES 256-GCM
WORM capability Yes
MTBF 250,000 hours at 100% duty cycle
Uncorrected error rate, calculated 1 x 10
–20
bits
Power consumption Read/write: 34 watts typical
Idle: TBD
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