QuickSpecs

Capacity DAT 40 DAT 72 DAT 160
Native 20 GB 36 GB 80GB
Compressed
(assumes 2:1data
compression)
40 GB 72GB 160GB
Buffer Size 8 MB 8 MB 16 MB
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
(SAS interface) Where
1KB = 1,000 Bytes
n/a n/a 6.9 MB/s
(asynchronous)
3 Gb/s (synchronous)
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)
QuickSpecs
HP StorageWorks DAT Drives
Technical Specifications
DA - 11883 Worldwide QuickSpecs — Version 28 — 1.26.2008 Page 27