320GB Western Digital 3.5" SATA 7200rpm 8MB Desktop HD

Hard Disk Model
WDC WD3200AVJS
Disk Family
AV
Form Factor
3.5"
Capacity
320 GB (320 x 1 000 000 000 bytes)
Number Of Disks
2
Number Of Heads
4
Rotational Speed
7200 RPM
Rotation Time
8.33 ms
Average Rotational Latency
4.17 ms
Disk Interface
Serial-ATA/300
Buffer-Host Max. Rate
300 MB/seconds
Buffer Size
8192 KB
Drive Ready Time (typical)
11 seconds
Average Seek Time
8.9 ms
Track To Track Seek Time
2 ms
Full Stroke Seek Time
21 ms
Width
101.6 mm (4.00 inch)
Depth
147 mm (5.79 inch)
Height
26.1 mm (1.03 inch)
Weight
630 grams (1.39 pounds)
Acoustic (Idle)
2.5 Bel
Acoustic (Min performance and volume)
2.6 Bel
Acoustic (Max performance and volume)
2.6 Bel
Required Power For Spinup
1055 mA
Power Required (Seek)
7.80 W
Power Required (Idle)
7.20 W
Power Required (Standby)
0.97 W
Manufacturer
Western Digital Corporation