Hard Disk Model
HITACHI HDT721032SLA360
Disk Family
Deskstar 7K1000.B
Form Factor
3.5"
Capacity
320 GB (320 x 1 000 000 000 bytes)
Number Of Disks
1
Number Of Heads
2
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
16384 KB
Drive Ready Time (typical)
8 seconds
Average Seek Time
14 ms
Track To Track Seek Time
0.8 ms
Full Stroke Seek Time
27 ms
Width
101.6 mm (4.00 inch)
Depth
147 mm (5.79 inch)
Height
26.1 mm (1.03 inch)
Weight
400 grams (0.88 pounds)
Required Power For Spinup
3300 mA
Power Required (Seek)
7 W
Power Required (Idle)
5 W
Power Required (Standby)
2 W
Manufacturer
Hitachi Global Storage Technologies