QuickSpecs
HP StorageWorks DAT 72 Tape Drive
Technical Specifications
Capacity | Native | 36 GB |
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| Compressed | 72 GB, assuming 2:1 ratio (data dependant) | |
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Drive Type | 4mm cartridge tape, DAT 72 format. |
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Transfer Rates | Native (maximum) | 10.8 GB/hour | |
| 2:1 Compression (maximum) | 21.6 GB/hour | |
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Interface | Wide Ultra3 SCSI (LVD) |
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Internal buffer | 16 Mbytes |
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Tape Format | Recording Method | Helical Scan, 4mm | |
| Recording Format | ANSI/ISO/ECMA, | |
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| Media recognition System Cartridges | |
Media | DAT 72 media – 170m, 4mm tape, Metal Particle (MP++++ | ) formulation | |
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Standards Compliance | cCSAus; TÜV; FCC; CE; BSMI; RRL; | ||
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Data Compression |
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Error Detection/Correction | Reed Solomon |
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Sustained Transfer Rate | 3 MB/s (native) |
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| 6 MB/s (compressed, 2:1) |
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| (Typically, users will be able to compress data at a 2 to 1 ratio; however, this depends on the data itself.) | ||
Burst Transfer Rate | 6 MB/s maximum asynchronous, 40 MB/s maximum synchronous | ||
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Search Speed | 50 seconds average file access time using a | ||
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Maximum Number of Drives | Max 15 drives per Ultra3 SCSI controller however performance will be impaired. In order to achieve performance | ||
| expectations it is strongly recommended that no more than one drive is connected to the SCSI bus. | ||
Reliability Features | MTBF | 400,000 hours at 12% Duty Cycle | |
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Temperature Range | Operating | 41° to 104° | F (5° to 40° C) |
| Storage | F | |
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Relative Humidity (non- | Operating | 20% to 80% |
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Power Requirement (Internal drive) + 5V DC, 0.5A; + 12V DC, 0.55A typical; + 5V DC, 0.9A + | 12V DC, 1.5A peak (<1 sec) | ||
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Power Requirement (External | 100 to 240VAC 0.5A | ||
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World Wide — Version 3 — June 17, 2003 | 14 |