WD Caviar Black 640GB 32MB cache

Excellent high-capacity hard disk, combining high-speed and high-quality construction.Offers the perfect solution for busy working computer or gaming machines.It has mainly dual processor for fast processing requirements, doubling the cache size and the presence of many modern technologies (Proximity reading NoTouch ramp load technology and StableTrac for reduced vibration) to ensure that cooler and quieter operation.The disc is especially suitable for the most activities, such as working with multimedia or gaming.
And specifications:
Type drive: 3,5 "
Capacity:
640 GB
Speed:
7200 RPM
Buffer:
32 MB
Interface:
Serial ATA II
Baud rate:
Up to 3 Gb / s
Access time:
An average of 8.9 ms
Noise:
Max.:29 dBA
Idle:25 dBA
Consumption:
Read, write:8.3 V
Relax:7.7 V
Emergency:1 W
Sleep:1 W
Dimensions:
101.6 x 147 x 25.4 mm
Weight:
690 grams