QuickSpecs
Performance
PerformancePerformance
Performance
DAT 40
DAT 40DAT 40
DAT 40 DAT 72
DAT 72DAT 72
DAT 72
DAT 160
DAT 160DAT 160
DAT 160
Sustained Transfer Rate
Sustained Transfer RateSustained Transfer Rate
Sustained Transfer Rate
(native) Where 1KB =
1,000 Bytes
3.2 MB/s* 3.2 MB/s* 6.9 MB/s*
Sustained Transfer Rate
Sustained Transfer RateSustained Transfer Rate
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
Burst Transfer Rate Burst Transfer Rate
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
Burst Transfer Rate Burst Transfer Rate
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
Data Access TimeData Access Time
Data Access Time
50 s 68 s 50 s
Average Load Time
Average Load TimeAverage Load Time
Average Load Time
15 s 15 s 35 s
Average Unload Time
Average Unload TimeAverage Unload Time
Average Unload Time
15 s 15 s 35 s
Rewind Time
Rewind TimeRewind Time
Rewind Time
110 s (end to end) 120 s (end to end)
92 s (end to end)
Reliability
ReliabilityReliability
Reliability
DAT 40
DAT 40DAT 40
DAT 40 DAT 72
DAT 72DAT 72
DAT 72
DAT 160
DAT 160DAT 160
DAT 160
MTBF
MTBFMTBF
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
Uncorrected Error RateUncorrected Error Rate
Uncorrected Error Rate
1x10
-17
bits read
1x10-17 bits read
1x10
-17
bits read
Media
MediaMedia
Media
DAT 40
DAT 40DAT 40
DAT 40 DAT 72
DAT 72DAT 72
DAT 72
DAT 160
DAT 160DAT 160
DAT 160
Recommended media
Recommended mediaRecommended media
Recommended media
DDS-4 (155m)
DAT 72 (170m)
DAT 160
(150m, wide tape)
Backward read-write
Backward read-writeBackward read-write
Backward read-write
compatibility
compatibilitycompatibility
compatibility
DDS-3 (125m)
DDS-2 (120m)
DDS-4 (155m)
DDS-3 (125m)
DAT 72 (170m)
DDS-4 (155m)
Tape Format
Tape FormatTape Format
Tape Format
DAT 40
DAT 40DAT 40
DAT 40 DAT 72
DAT 72DAT 72
DAT 72
DAT 160
DAT 160DAT 160
DAT 160
Recording Method
Recording MethodRecording Method
Recording Method
4 mm helical scan 4 mm helical scan 8 mm helical scan
Recording Format
Recording FormatRecording Format
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
Data CompressionData Compression
Data Compression
Lempel-Ziv (DCLZ) Lempel-Ziv (DCLZ) Lempel-Ziv (DCLZ)
Error
ErrorError
Error
Detection/Correction
Detection/CorrectionDetection/Correction
Detection/Correction
Reed-Solomon Reed-Solomon Reed-Solomon
Data Encoding Method
Data Encoding MethodData Encoding Method
Data Encoding Method
Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
QuickSpecs
HP StorageWorks Tape Drives
HP StorageWorks Tape DrivesHP StorageWorks Tape Drives
HP StorageWorks Tape Drives
Technical Specifications
DA - 11883 Worldwide — Version 25 — August 6, 2007
Page 25