QuickSpecs
Performance
DAT 40 DAT 72
DAT 160
Sustained Transfer Rate
(native) Where 1KB =
1,000 Bytes
3.2 MB/s* 3.2 MB/s* 6.9 MB/s*
Sustained Transfer Rate
(with 2:1 data
compression) Where 1KB
= 1,000 Bytes
6.4 MB/s
*
6.4 MB/s
*
13.8 MB/s*
Burst Transfer Rate
(SCSI
interface) Where 1KB =
1,000 Bytes
6.4 MB/s
(asynchronous)
160 MB/s
(synchronous)
6.4 MB/s
(asynchronous)
160 MB/s
(synchronous)
6.9 MB/s
(asynchronous)
160 MB/s
(synchronous)
Burst Transfer Rate
(USB
interface)Where 1KB =
1,000 Bytes
6.4MB/s
(asynchronous)
40 MB/s
(synchronous)
6.4MB/s
(asynchronous)
40 MB/s
(synchronous)
6.9MB/s
(asynchronous)
40 MB/s
(synchronous)
Data Access Time
50 s 68 s 50 s
Average Load Time
15 s 15 s 35 s
Average Unload Time
15 s 15 s 35 s
Rewind Time
110 s (end to end) 120 s (end to end)
92 s (end to end)
Reliability
DAT 40 DAT 72
DAT 160
MTBF
125,000 hours
at 100% duty cycle
125,000 hours at 100%
duty cycle
125,000 hours at 100%
duty cycle
Uncorrected Error Rate
1x10
-17
bits read
1x10-17 bits read
1x10
-17
bits read
Media
DAT 40 DAT 72
DAT 160
Recommended media
DDS-4 (155m)
DAT 72 (170m)
DAT 160
(150m, wide tape)
Backward read-write
compatibility
DDS-3 (125m)
DDS-2 (120m)
DDS-4 (155m)
DDS-3 (125m)
DAT 72 (170m)
DDS-4 (155m)
Tape Format
DAT 40 DAT 72
DAT 160
Recording Method
4 mm helical scan 4 mm helical scan 8 mm helical scan
Recording Format
DDS-4, DDS-3, and
DDS-2
(ANSI/ISO/ECMA)
DAT 72, DDS-4, DDS-3
(ANSI/ISO/ECMA)
DAT 160, DAT 72, DDS-
4,
Data Compression
Lempel-Ziv (DCLZ) Lempel-Ziv (DCLZ) Lempel-Ziv (DCLZ)
Error
Detection/Correction
Reed-Solomon Reed-Solomon Reed-Solomon
Data Encoding Method
Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
QuickSpecs
HP StorageWorks DAT Drives
Technical Specifications
DA - 11883 Worldwide QuickSpecs — Version 25 — 8.6.2007
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