IT procurement since 1997
Business, government & education accounts
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Expected availability: 1-2 weeks
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Condition: Used
The SEAGATE 20PK 8TB EXOS 7E8 HDD is an internal hard disk drive designed for enterprise storage environments requiring high capacity and reliability. This SAS interface drive, part number ST8000NM001A, offers 8TB of storage with a 7200 RPM spindle speed and a 256MB cache. It is engineered for continuous 24x7 operation, indicated by its 2,000,000-hour MTBF and 0.44% AFR. Features like Protection Information (T10 DIF), SuperParity, and Advanced Write Caching contribute to data integrity. PowerChoice and PowerBalance Technologies are included for managing power consumption, with an idle average of 7.97W. The drive supports interface access speeds of 12.0, 6.0, and 3.0 Gb/s and has dual interface ports.
| Specifications | 512e SAS |
|---|---|
| Capacity | 8TB |
| Features | |
| Protection Information (T10 DIF) | Yes |
| Humidity Sensor | Yes |
| SuperParity | Yes |
| Low Halogen | Yes |
| PowerChoiceTM Technology | Yes |
| PowerBalanceTM Technology | Yes |
| Cache, Multi-segmented (MB) | 256 |
| Advanced Write Caching (Internal NOR flash) | Yes |
| Reliability/Data Integrity | |
| Vibration, Nonoperating: 10Hz to 500Hz (Grms) | 5 |
| MTBF | 2,000,000hr |
| Reliability Rating at Full 24x7 Operation (AFR) | 0.44% |
| Nonrecoverable Read Errors per Bits Read, Max | 1 sector per 10E15 |
| Power-On Hours | 8760 |
| Bytes per Sector | 512, 520, 528 |
| Performance | |
| Spindle Speed (RPM) | 7200 |
| Interface Access Speed (Gb/s) | 12.0, 6.0, 3.0 |
| Max Sustainable Transfer Rate | 249MB/s |
| Average Latency (ms) | 4.16 |
| Interface Ports | Dual |
| Rotational Vibration at 1500Hz (rad/s2) | 12.5 |
| Power Consumption | |
| Idle Average (W) | 7.97 W |
| Average Operating Power | 13.18 W |
| Power Supply Requirements | +12 V and +5 V |
| Environmental/Temperature | |
| Temperature, Operating (oC) | 5oC - 60oC |
| Shock, Operating Read/Write (Gs) | 70/40Gs |
| Shock, Nonoperating, 1ms/2ms (Gs) | 150/300 |
| Item Dimension (L"xW"xH") | 2 x 5 x 6 |
| Weight | 1.58 LB |
| Warranty Information | 5 Years |
