320GB Seagate 3.5″ SATA-3Gb/s 7200rpm 8MB

Hard Disk Model
SEAGATE ST3320820AS
Disk Family
Barracuda 7200.10 320820
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)
15 seconds
Average Seek Time
8.5 ms
Track To Track Seek Time
0.8 ms
Width
101.6 mm (4.00 inch)
Depth
146.99 mm (5.79 inch)
Height
26.1 mm (1.03 inch)
Weight
635 grams (1.40 pounds)
Acoustic (Idle)
2.7 Bel
Acoustic (Min performance and volume)
2.9 Bel
Acoustic (Max performance and volume)
2.9 Bel
Required Power For Spinup
2800 mA
Power Required (Seek)
12.8 W
Power Required (Idle)
7.20 W
Power Required (Standby)
0.80 W
Manufacturer
Seagate Technology