WD Scorpio Blue 250 GB SATA Hard Drives ( WD2500BEVT)
| 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 | 80,026 MB |
| Capacity | 250 GB |
| Interface | SATA 3 Gb/s |
| User Sectors Per Drive | 156,301,488 |
|
| Physical Dimensions |
|
| English |
| Height | 0.374 Inches |
| Depth | 3.94 Inches |
| Width | 2.75 Inches |
| Weight | 0.26 Pounds |
|
| Metric |
| Height | 9.5 mm |
| Depth | 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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