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Quantum Atlas II - Hard drive - 9.1 GB - internal - 3.5" - Ultra SCSI - 50 PIN IDC - 7200 rpm - buffer: 1 MB at Backoffice
Quantum Atlas II - Hard drive - 9.1 GB - internal - 3.5" - Ultra SCSI - 50 PIN IDC - 7200 rpm - buffer: 1 MB
QM39100AL-S
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This product is no longer available.
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Quantum Atlas II 7,200 RPM hard disk drives are top-performing storage devices that meet the needs of high-end storage subsystems, video servers, and workstations. The drives offer high capacity and feature the most advanced technology for exceptional performance and higher areal density. With formatted capacities of 4,550 MB and 9,100 MB, and an Ultra SCSI-3 (Wide 40 MB per second data transfers) interface, Quantum Atlas II disk drives are outstanding mass storage solutions for applications requiring the fastest data throughput. Systems that can benefit from the family's stunning performance include RAIDs, database servers, video servers, technical workstations, and video editing systems. Optimized performance features include a custom SCSI controller, a sophisticated seek optimization algorithm, an embedded quadrature servo system, and a large multi-track segmented cache. Quantum Atlas II drives have the industry's fastest seek time for a 9.1 GB drive at 8 milliseconds. Magnetoresistive (MR) heads on the drives push areal density to 910 MB per disk. In addition, Quantum's highly automated manufacturing process ensures the industry's highest reliability for its class. Because Quantum Atlas II drives are used to store mission-critical data, they are extremely reliable. The drives have a reduced parts count, low power consumption, and high data integrity.| Product Description | Quantum Atlas II - hard drive - 9.1 GB - Ultra SCSI | | Type | Hard drive - internal | | Form Factor | 3.5" x 1/2H | | Dimensions (WxDxH) | 10.2 cm x 14.6 cm x 4.1 cm | | Weight | 0.9 kg | | Localisation | English | | Capacity | 9.1 GB | | Interface Type | Ultra SCSI | | Connector | 50 PIN IDC | | Data Transfer Rate | 40 MBps | | Average Seek Time | 8 ms | | Spindle Speed | 7200 rpm | | Buffer Size | 1 MB | | Manufacturer Warranty | 5 years warranty |
GENERAL |
| Device Type | Hard drive - internal |
| Width | 10.2 cm |
| Depth | 14.6 cm |
| Height | 4.1 cm |
| Weight | 0.9 kg |
| Localisation | English |
HARD DRIVE |
| Form Factor | 3.5" x 1/2H |
| Capacity | 9.1 GB |
| Interface Type | Ultra SCSI |
| Connector | 50 PIN IDC |
| Buffer Size | 1 MB |
PERFORMANCE |
| Drive Transfer Rate | 40 MBps (external) |
| Internal Data Rate | 121 MBps |
| Seek Time | 8 ms (average) / 18 ms (max) |
| Track-to-Track Seek Time | 1 ms |
| Average Latency | 4.17 ms |
| Spindle Speed | 7200 rpm |
RELIABILITY |
| Recoverable Errors | 1 per 10^11 |
| Non-Recoverable Errors | 1 per 10^15 |
EXPANSION / CONNECTIVITY |
| Connections | 1 x storage - Ultra SCSI - 50 PIN IDC |
| Compatible Bays | 1 x internal - 3.5" x 1/3H |
MISCELLANEOUS |
| Package Type | Retail |
MANUFACTURER WARRANTY |
| Service & Support | 5 years warranty |
| Service & Support Details | Limited warranty - parts and labour - 5 years - carry-in |
ENVIRONMENTAL PARAMETERS |
| Min Operating Temperature | 5 °C |
| Max Operating Temperature | 55 °C |
| Humidity Range Operating | 10 - 90% |
| Shock Tolerance | 15 g @ 11ms half-sine pulse (operating) |
| Vibration Tolerance | 0.5 g @ 22-375 Hz (operating) |
| Sound Emission | 34 dBA |
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