Datasheet

Tape Format Recording method 8-channel linear
serpentine
8-channel linear
serpentine
16-channel linear
serpentine
16-channel linear
serpentine
Recording format LTO Ultrium 1 LTO Ultrium 2
LTO Ultrium 1 (for
100 GB tape)
LTO Ultrium 3
LTO Ultrium 2 (for
200 GB tape)
LTO Ultrium 4
LTO Ultrium 3 (for
400 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)
LTO DC dual
mode compression
(an enhanced
version of ALDC)
Error detection/correction Reed-Solomon Reed-Solomon Reed-Solomon Reed-Solomon
Read channel technology Partial Response
Maximum
Likelihood (PRML)
Partial Response
Maximum
Likelihood (PRML)
Partial Response
Maximum
Likelihood (PRML)
Partial Response
Maximum
Likelihood (PRML)
Data encoding method RLL 1,7 RLL 0,13/11 RLL 0,13/11 RLL 0,13/11
Interface Interface type Wide Ultra3 SCSI
(LVDS)
Wide Ultra3 SCSI
(LVDS) or
3Gb/sec SAS
Ultra320 SCSI
(LVDS) or
3Gb/sec SAS
Ultra320 SCSI
(LVDS) or
3Gb/sec SAS
SCSI connector Internal: 68-pin
LVDS
External: 68-pin
HD LVDS
SCSI Internal: 68-
pin LVDS
SCSI External: 68-
pin HD LVDS
SCSI Array
module: 80-pin
SCA (SCSI and
power)
SCSI Rack-mount:
68-pin HD LVDS
SAS Internal: mini-
SAS SFF8482
SAS External: mini-
SAS
SFF8088
SCSI Internal: 68-
pin LVDS
SCSI External: 68-
pin HD LVDS
SCSI Rack-mount:
68-pin HD LVDS
SAS Internal: mini-
SAS SFF8482
SAS External: mini-
SAS
SFF8088
SCSI Internal: 68-
pin LVDS
SCSI External: 68-
pin HD LVDS
SAS Internal: mini-
SAS SFF8482
SAS External: mini-
SAS
SFF8088
QuickSpecs
HP StorageWorks Ultrium Half-Height Tape Drives
Technical Specifications
DA - 12128 Europe, Middle East and Africa QuickSpecs — Version 30 — 10.16.2009 Page 26