WD400AB by Western Digital Corporation

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Manufacturer Western Digital Corporation
Manufacturer's Part Number WD400AB
Description Hard Drives/Solid State Drives; Brand Name: WD; Product Line: Caviar; Product Model: WD400AB; Product Type: Hard Drive; Storage Capacity: 40 GB;
NAME DESCRIPTION
Data Transfer Rate: 100 MB/s, 66.6 MB/s, 33.3 MB/s, 16.6 MB/s, 424 MB/s
Spindle Speed (rpm): 5400
Depth: 5.787 "
Additional Information:
  • Recording Method: EPR4 Rate 16/17 PRML
  • ECC: Reed Solomon
  • Head Park: Automatic
  • Spindle Start Time From Power-on to Drive Ready: 6.0 s average
  • Spindle Start Time From Power-on to Rotational Speed: 4.5 s average
  • Power Connector: 4-pin AMP (P/N 84069-1 or equivalent)
  • Mating Connector: Body (AMP 1-480424-0 or equivalent), Pins (AMP 60619-4 or equivalent)
  • Power Cable Wire Guage: 18 AWG (or heavier)
  • Sweep Rate Vibration: 0.5 octave/minute minimum
  • Drive Generated Vibration(Operating): 0.4 gm-mm typical with the drive in an unconstrained condition

  • Rotational Shock Non-Operating:
  • Amplitude: 20 K rad/sec2
  • Duration: 2 ms

  • Operating Temperature and Humidity:
  • Thermal Gradient: 20°C/hour (maximum)
  • Humidity Gradient: 20%/hour (maximum)

  • Non-Operating Temperature and Humidity:
  • Thermal Gradient: 30°C/hour (maximum)
  • Humidity Gradient: 20%/hour (maximum

  • Reliability Specifications:
  • AFR: <0.8%
  • Component Design Life: 5 years
Product Model: WD400AB
Height: 1.028 "
Storage Capacity: 40 GB
Width: 4 "
Drive Interface: IDE
Buffer: 2 MB
Weight (Approximate): 1.32 lb
Product Name: Caviar EIDE Internal Hard Drive
Maximum Internal Data Transfer Rate: 424 MB/s
Input Voltage: 5 V DC, 12 V DC
Maximum External Data Transfer Rate: 100 MB/s
Drive Type: Internal
Limited Warranty: 1 Year
Latency: 5.0 ms
Brand Name: WD
Average Latency: 5 ms
Marketing Information:

WD® a long-time leader in hard drive technology designs and manufactures the #1 selling internal and external hard drives and award-winning media players and network drives
Product Type: Hard Drive
Bytes Per Sector: 512
Input Current: 2.2 A, 350 mA, 900 mA, 300 mA, 20 mA, 525 mA, 800 mA, 675 mA, 200 mA, 50 mA
Product Line: Caviar