WD Caviar Blue 250GB 3.5" Internal Hard Drive, 16MB Cache, SATA 6 Gb/s Interface, 7200 RPM Speed, Single Pack

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About WD Caviar Blue

The WD WD2500AAKX Caviar Blue Hard Drive surpasses the top standards of quality and reliability. Its features include the NoTouch ramp load technology where the recording head never touches the media disk to ensure less wear on the recording head and media as well as better drive protection in transit.

WD Caviar Blue Features

  • Solid performance: With SATA interface, cache size to 16MB, this drive offers a full range of performance features
  • IntelliSeek: Calculates optimum seek speeds to lower power consumption, noise and vibration
  • ShockGuard: Instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drive to achieve industry-leading shock specifications
  • Ultra-cool and quiet: Keeping the drive cool enhances reliability. WD continues to develop new and innovative ways to keep drives cool while they are operating which helps protect the drive and the data stored on it
  • NoTouch ramp load technology: The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit

WD Caviar Blue Specifications

SATA 6 Gb/s
Formatted capacity
250,059 MB
User sectors per drive
SATA latching connector
Form factor
RoHS compliant
Data transfer rate (max)
Buffer to host: 6 Gb/s
Host to/from drive (sustained): 126 MB/s
Rotational speed (RPM)
Load/unload cycles
Non-recoverable read errors/bits read
<1 in 1014
Power Management
12VDC peak (A, ±10%): 1.77
Average power requirements (W)
Read/write: 6.0
Idle: 5.6
Standby: 0.9
Sleep: 0.9
Operating Temperature ( Deg.C)
0 to 60
Non-Operating Temperature ( Deg.C)
-40 to 70
Shock (Gs)
Operating (2 ms, read/write): 30
Operating (2 ms, read): 65
Non-operating (1 ms): 350
Average acoustics (dBA)
Idle Mode: 29
Performance seek Mode: 30
Dimensions (H x L x W)
1.028 x 5.787 x 4" / 25.4 x 147 x 101.6 mm
0.99 lbs / 0.45 kg
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