Western Digital Caviar Blue WD2500AAKX 250GB 3.5" SATA HDD

  Form Factor

  3.5"

  Capacity

  250 GB (250 x 1 000 000 000 bytes)

  Number Of Disks

  1

  Number Of Heads

  1

  Rotational Speed

  7200 RPM

  Rotation Time

  8.33 ms

  Average Rotational Latency

  4.17 ms

  Disk Interface

  Serial-ATA/600

  Buffer-Host Max. Rate

  600 MB/seconds

  Buffer Size

  16384 KB

  Average Seek Time

  8.9 ms

  Track To Track Seek Time

  2 ms

  Full Stroke Seek Time

  21 ms

  Width

  101.6 mm (3.98 inch)

  Depth

  147 mm (5.79 inch)

  Height

  25.4 mm (0.98 inch)

  Weight

  690 grams (1.52 pounds)

  Acoustic (Idle)

  2.9 Bel

  Acoustic (Min performance and volume)

  3.0 Bel

  Acoustic (Max performance and volume)

  3.0 Bel

  Required Power For Spinup

  1770 mA

  Power Required (Seek)

  6.0 W

  Power Required (Idle)

  5.6 W

  Power Required (Standby)

  0.9 W

  Manufacturer

  Western Digital Corporation