WD Caviar Black 500 GB SATA Hard Drives ( WD5001AALS)
| Performance Specifications | |
| Rotational Speed | 7,200 RPM (nominal) |
| Buffer Size | 32 MB |
| Average Latency | 4.20 ms (nominal) |
| Load/unload Cycles | 50,000 minimum |
|
| Transfer Rates |
| Buffer To Host (Serial ATA) | 3 Gb/s (Max) |
|
| Physical Specifications | |
| Formatted Capacity | 500,107 MB |
| Capacity | 500 GB |
| Interface | SATA 3 Gb/s |
| User Sectors Per Drive | 976,773,168 |
|
| Physical Dimensions | |
| English |
| Height | 1.028 Inches |
| Depth | 5.787 Inches |
| Width | 4.00 Inches |
| Weight | 1.52 Pounds |
|
| Metric |
| Height | 26.1 mm |
| Depth | 147 mm |
| Width | 101.6 mm |
| Weight | 0.69 kg |
|
| Environmental Specifications | |
| Shock |
| Operating Shock (Read) | 30G, 2 ms |
| Non-operating Shock | 300G, 2 ms |
|
| Acoustics |
| Idle Mode | 25 dBA (average) |
| Seek Mode 0 | 29 dBA (average) |
| Seek Mode 3 | 26 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 | 0.004 g²/Hz (10 to 300 Hz) |
| Non-operating | 0.05 g²/Hz (10 to 300 Hz) |
|
| Operating |
| Linear | 20-300 Hz, 0.75 G (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 | 490 mA |
| Idle | 470 mA |
| Standby | 5 mA |
| Sleep | 5 mA |
|
| 5 VDC |
| Read/Write | 500 mA |
| Idle | 420 mA |
| Standby | 160 mA |
| Sleep | 160 mA |
|
| Power Dissipation |
| Read/Write | 8.30 Watts |
| Idle | 7.70 Watts |
| Standby | 1.00 Watts |
| Sleep | 1.00 Watts |
|
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