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WD Caviar® Blue™ hard drives are available with either SATA or EIDE interface in a variety of cache sizes with a multitude of available features to deliver rock solid performance and ultra-cool and quiet operation. Pick the drive that suits your needs with the confidence in knowing that all WD Caviar Blue drives are built to the highest standards of quality and reliability. With capacities ranging from 40 GB to 750 GB, these drives are the perfect solution for family and business computing.
| | Features |  | Solid performance | | Ultra cool and quiet | | 320GB |
| | Tech Specs | | Performance Specifications | | Buffer To Host (Serial ATA): 3 Gb/s (Max) | | Transfer Rate (Buffer To Disk): 972 Mbits/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 | | Height: 1.028 Inches (Max) | | Length: 5.787 Inches (Max) | | Width: 4.00 Inches (+/- 0.010 inch) | | Weight: 1.33 Pounds | | Environmental Specifications | | Operating Shock (Read): 65G, 2 ms | | Non-operating Shock: 350G, 2 ms | | Idle Mode: 25 dBA (average) | | Seek Mode: 0 29 dBA (average) | | Seek Mode: 3 26 dBA (average) | | Temperature Operating: 32° F to 140° F | | Temperature Non-operating: -40° F to 149° F | | Humidity Operating: 5-95% RH non-condensing | | Humidity Non-operating: 5-95% RH non-condensing | | Altitude Operating: -1,000 feet to 10,000 feet | | Altitude Non-operating: -1,000 feet to 40,000 feet | | Vibration Operating (Linear): 20-300 Hz, 0.75 G (0 to peak) | | Vibration Operating (Random): 7-500 Hz (0.00221 g²/Hz) | | Electrical Specifications | | 12 VDC (Read/Write): 395 mA | | 12 VDC (Idle): 380 mA | | 12 VDC (Standby): 6 mA | | 12 VDC (Sleep): 6 mA | | 5 VDC (Read/Write): 660 mA | | 5 VDC (Idle): 532 mA | | 5 VDC (Standby): 180 mA | | 5 VDC (Sleep): 180 mA | | Power Dissipation (Read/Write): 7.80 Watts | | Power Dissipation (Idle): 7.20 Watts | | Power Dissipation (Standby): 0.97 Watts | | Power Dissipation (Sleep 0.97 Watts |
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