Hard Disk Model
WDC WD2500YS
Disk Family
RE
Form Factor
3.5"
Capacity
250 GB (250 x 1 000 000 000 bytes)
Number Of Disks
2
Number Of Heads
3
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)
9 seconds
Average Seek Time
8.9 ms
Track To Track Seek Time
2.0 ms
Full Stroke Seek Time
21.0 ms
Width
101.6 mm (3.98 inch)
Depth
147 mm (5.79 inch)
Height
25.4 mm (0.98 inch)
Weight
730 grams (1.61 pounds)
Acoustic (Idle)
2.8 Bel
Acoustic (Min performance and volume)
2.9 Bel
Acoustic (Max performance and volume)
3.3 Bel
Required Power For Spinup
1250 mA
Power Required (Seek)
9.5 W
Power Required (Idle)
8.75 W
Power Required (Standby)
1.6 W
Manufacturer
Western Digital Corporation
