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Capacity
Native
100 GB 100 GB 200 GB
Compressed
(assumes 2:1 data
compression)
200 GB 200 GB 400 GB
Buffer Size
16 MB 64 MB 64 MB
Performance
Sustained transfer
rate, native
7.5 MB/s
16 MB/s 24 MB/s
Sustained transfer
rate, compressed
(assumes 2:1 data
compression)
15 MB/s 32 MB/s 48 MB/s
Burst transfer rate
80 MB/s (with Ultra2
SCSI wide)
160 MB/s (with Ultra3
SCSI wide)
160 MB/s (with Ultra3
SCSI wide)
Data rate matching
range
6-7.5 MB/s (native)
6.7-16 MB/s (native)
8-24 MB/s (native)
Data access time
(from BOT)
142s typical for a 100
GB tape (native)
64 s typical for a 100
GB tape (native)
64 s typical for a 200
GB tape (native)
Average load time
25 s 17 s 17 s
Average unload time
13 s 16 s 16 s
Rewind time from
EOT
284 s (100 GB tape)
121s (100 GB tape)
121 s (200 GB tape)
Rewind tape speed
2.05 m/s
5.0 m/s 5.0 m/s
Reliability
MTBF
250,000 hours
at 100% duty cycle
250,000 hours
at 100% duty cycle
250,000 hours
at 100% duty cycle
Uncorrected Error
Rate
1x10
17
bits read
1x10
17
1x10
17
Media
Compatibility
LTO Ultrium1
with 4K Cartridge
Memory
LTO Ultrium 1
with 4K Cartridge
Memory
LTO Ultrium 1
with 4K Cartridge
Memory;
LTO Ultrium 2
with 4K Cartridge
Memory
Tape Format
Recording method
8-channel linear
serpentine
8-channel linear
serpentine
8-channel linear
serpentine
Recording format
LTO Ultrium 1 LTO Ultrium 1 LTO Ultrium 2
LTO Ultrium 1 (for 100
GB tape)
Data compression
LTO DC dual mode
compression (an
enhanced version of
ALDC)
LTO DC dual mode
compression (an
enhanced version of
ALDC)
LTO DC dual mode
compression (an
enhanced version of
ALDC)
Error
detection/correction
Reed-Solomon Reed-Solomon Reed-Solomon
Read channel
technology
Peak Detect
Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
Data encoding
method
RLL 1,7 RLL 1,7
RLL 0,13/11
Interface
Interface type
Wide Ultra2 SCSI
(LVDS)
Wide Ultra3 SCSI
(LVDS)
Wide Ultra3 SCSI
(LVDS)
SCSI connector
Internal: 68-pin LVDS
External: 68-pin HD
Internal: 68-pin LVDS
External: 68-pin HD
Internal: 68-pin LVDS
External: 68-pin HD
QuickSpecs
HP StorageWorks Ultrium Half-Height Tape Drives
Technical Specifications
DA - 12128 Worldwide QuickSpecs — Version 7 — 3/17/2006
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