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Features
| Performance Specifications | | | | Rotational Speed | 5,400 RPM (nominal) | | | Buffer Size | 8 MB | | | Average Latency | 5.50 ms (nominal) | | |
| Seek Times | | | Read Seek Time | 12.0 ms | | | Track-To-Track Seek Time | 2.0 ms (average) | | |
| Transfer Rates | | | Buffer To Host (Serial ATA) | 3 Gb/s (Max) | | |
| Physical Specifications | | | | Formatted Capacity | 320,072 MB | | | Capacity | 320 GB | | | Interface | SATA 3 Gb/s | | | User Sectors Per Drive | 625,142,448 | | |
| Physical Dimensions | | | English | | | Height | 0.374 Inches | | | Length | 3.94 Inches | | | Width | 2.75 inches | | | Weight | 0.26 Pounds | | |
| Metric | | | Height | 9.5 mm | | | Length | 100.2 mm | | | Width | 69.85 mm | | | Weight | 0.117 kg | | |
| Environmental Specifications | | | Acoustics | | | Idle Mode | 24 dBA (average) | | | Seek Mode 0 | 26 dBA (average) | | |
| Temperature (English) | | | Operating | 32° F to 140° F | | | Non-operating | -40° F to 149° F | | |
| Temperature (Metric) | | | Operating | -0° C to 60° C | | | Non-operating | -40° C to 65° C | | |
| Humidity | | | Operating | 8% to 95% Non-condensing | | | Non-operating | 5-95% RH non-condensing | | |
| Altitude (English) | | | Operating | -1,000 feet to 10,000 feet | | | Non-operating | -1,000 feet to 40,000 feet | | |
| Altitude (Metric) | | | Operating | -305M to 3,050M | | | Non-operating | -305M to 12,200M | | |
| Vibration | | | Operating | 0.00459 g²/Hz (10 to 500 Hz) | | | Non-operating | 0.05102 g²/Hz (10 to 500 Hz) | | |
| Electrical Specifications | | | Current Requirements | | | 5 VDC | | | Read/Write | 500 mA | | | Idle | 400 mA | | | Standby | 50 mA | | | Sleep | 20 mA | | |
| | Power Dissipation | | | Read/Write | 2.50 Watts | | | Idle | 0.85 Watts | | | Standby | 0.25 Watts | | | Sleep | 0.10 Watts |
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