640GB WD 3.5″ SATA-3Gb/s 7200rpm 64MB Green Desktop...

Hard Disk Model
WDC WD6400AARS
Disk Family
Caviar Green
Form Factor
3.5″
Capacity
640 GB (640 x 1 000 000 000 bytes)
Number Of Disks
2
Number Of Heads
3
Disk Interface
Serial-ATA/300
Buffer-Host Max. Rate
300 MB/seconds
Buffer Size
65536 KB
Width
101.6 mm (4.00 inch)
Depth
147 mm (5.79 inch)
Height
26.1 mm (1.03 inch)
Weight
600 grams (1.32 pounds)
Acoustic (Idle)
2.4 Bel
Acoustic (Min performance and volume)
2.5 Bel
Acoustic (Max performance and volume)
2.9 Bel
Required Power For Spinup
1392 mA
Power Required (Seek)
5.4 W
Power Required (Idle)
2.5 W
Power Required (Standby)
0.46 W
Manufacturer
Western Digital Corporation