WD RE3 320 GB SATA Hard Drives ( WD3202ABYS)
| Performance Specifications | |
| Rotational Speed | 7,200 RPM (nominal) |
| Buffer Size | 16 MB |
| Average Latency | 4.20 ms (nominal) |
|
| Seek Times |
| Read Seek Time | 8.9 ms |
| Track-To-Track Seek Time | 0.6 ms (average) |
| Full Stroke Seek | 21.0 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 | 1.028 Inches |
| Depth | 5.787 Inches |
| Width | 4.00 Inches |
| Weight | 0.97 Pounds |
|
| Metric |
| Height | 25.4 mm |
| Depth | 147 mm |
| Width | 101.6 mm |
| Weight | 0.44 kg |
|
| Environmental Specifications | |
| Shock |
| Operating Shock (Read) | 65G, 2 ms |
| Non-operating Shock | 350G, 2 ms |
|
| Acoustics |
| Idle Mode | 25 dBA (average) |
| Seek Mode 0 | 26 dBA (average) |
| Seek Mode 3 | 29 dBA (average) |
|
| Temperature (English) |
| Operating | 32° F to 140° F |
| Non-operating | -40° F to 158° F |
|
| Temperature (Metric) |
| Operating | -0° C to 60° C |
| Non-operating | -40° C to 70° C |
|
| Humidity |
| Operating | 5-95% RH 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 |
| Linear | 20-300 Hz, .75G (0 to peak) |
| Random | 0.004 g²/Hz (10 to 300 Hz) |
|
| Non-operating |
| Low Frequency | 0.05 g²/Hz (10 to 300 Hz) |
| High Frequency | 20-500 Hz, 4.0G (0 to peak) |
|
| Electrical Specifications | |
| Current Requirements |
| 12 VDC |
| Read/Write | 280 mA |
| Idle | 270 mA |
| Standby | 6 mA |
| Sleep | 6 mA |
|
| 5 VDC |
| Read/Write | 650 mA |
| Idle | 600 mA |
| Standby | 180 mA |
| Sleep | 180 mA |
|
| Power Dissipation |
| Read/Write | 6.60 Watts |
| Idle | 6.20 Watts |
| Standby | 0.97 Watts |
| Sleep | 0.97 Watts |
|
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