WD400BB Western Digital 3.5″ hard drive with a storage capacity of 40GB and featuring a IDE interface. WD400BB-22JMC0 Western Digital Caviar SE 40GB 7200RPM ATA-100 2MB Cache 3.5-inch Hard Drive.

All information about the Western Digital WD400BB hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD400BB Technical Details:

  • Hard Disk Model: WDC WD400BB
  • Disk Family: Caviar
  • Form Factor: 3.5″
  • Capacity: 40 GB (40 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: Ultra-ATA/100
  • Buffer-Host Max. Rate: 100 MB/seconds
  • Buffer Size: 2048 KB
  • Drive Ready Time (typical): 7 seconds
  • Average Seek Time: 8.9 ms
  • Track To Track Seek Time: 2 ms
  • Full Stroke Seek Time: 21 ms
  • Width: 101.6 mm (4.00 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 25.4 mm (1.00 inch)
  • Acoustic (Idle): 3.0 Bel
  • Acoustic (Min performance and volume): 3.1 Bel
  • Acoustic (Max performance and volume): 3.2 Bel
  • Required Power For Spinup: 980 mA
  • Power Required (Seek): 7.5 W
  • Power Required (Idle): 7.1 W
  • Power Required (Standby): 1.3 W
  • Manufacturer: Western Digital Corporation

Western Digital WD400BB Hard Drives:

WD400BB Western Digital 40GB IDE 3.5 Inch Hard Drive

  • WD400BB-08JHC0, DCM HSBANTJCA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75FJA1, DCM HSBHCTJCA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75CLB0, DCM HSBHET2AH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-22DEA0, DCM DSBHNA2CH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23DEA0, DCM DSBANV2CH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23FJA0, DCM DSBHCTJAA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-71CAA1, DCM HSEHCV2AA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23JHC0, DCM HSBHYTJCH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23JHC0, DCM DSCHCTJAH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75JHC0, DCM HSBHYTJCA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75AUA1, DCM , Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75JHC0, DCM HSBANTJAA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75CAA0, DCM HSFANA2CA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-00CAA0, DCM DSEANV2AA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23FJA0, DCM HSBHCTJCA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23FJA0, DCM ESBHCTJCA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-00FRA0, DCM HSBHCTJAH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-53DEA0, DCM HSBHNA2CH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75DEA0, DCM HSBHNA2AH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23JHC0, DCM ESCHNTJCA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-23JHC0, DCM ESBHNTJCH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-00DEA0, DCM HSBHHV2AH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-53CAA0, DCM HSEHNV2AH, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75JHA0, DCM DSBACTJAA, Western Digital 40GB IDE 3.5″ Hard Drive
  • WD400BB-75DEA0, DCM DSBACV2CH, Western Digital 40GB IDE 3.5″ Hard Drive

Western Digital WD400BB Failure Symptoms:

  • Electrical Failure Symptoms:
    Drive is powered, but shows no sign of function;
    Disk knocking as the motor fails to spin;
    Clicking sound as the heads search or initialize;
  • Mechanical Failure Symptoms:
    Clicking, grinding sounds;
    Completely quiet due to ” motor freeze”;
    “music” tone as the disk is powered up;
  • Logical Failure Examples:
    Accidental deletion, accidental format, file corruption, software bugs, file system corruption, viruses and malware, and many, many more.
  • Firmware Failure Symptoms:
    drive powers up, but is not recognised by the computer;
    Drive powers up, but is recognised wrongly, sometimes with nonsensical characters;
    Drive freezes during booting up;
  • Bad Platter Area Symptoms:
    Hard disk still accessible but appear to “hang” or “sluggish”;
    Constant Cyclic Redundancy (CRC) errors;
    Unable to access folders or files which could be seen;
  • Complex Failure Model

Western Digital WD400BB Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD400BB Hard Disk Drive experience is burnt circuit board(PCB). So if you will need to match a replacement PCB, it is important that you note the “Board Number” of your current circuit board in addition to the hard drive’s “Model Number“.

Multiple PCB Number revisions:
2060-001177-000, 2060-001159-006, 2060-001129-001, 2060-001092-005, 2060-001292-001, 2060-001062-004, 2060-701292-000, 2060-001223-000, 2060-701292-002, 2060-001092-006, 2060-001092-007, 2060-001003-001, 2060-001292-000, 2060-001130-012, etc.

Multiple Model Number revisions:
WD400BB-00JHC0, WD400BB-60JKA0, WD400BB-75FRA0, WD400BB-22DEA0, WD400BB-23DEA0, WD400BB-71CAA1, WD400BB-53DEA0, WD400BB-00DEA0, WD400BB-75JHA0, WD400BB-23FJA0, WD400BB-75HJA0, WD400BB-32CLB0, WD400BB-23FRA0, WD400BB-00DGA0, WD400BB-19JHC0, WD400BB-00JHA0, WD400BB-60CJA0, WD400BB-00AUA1, WD400BB-53CLB0, WD400BB-18CAA0, WD400BB-00FRA0, WD400BB-23JHC0, WD400BB-00CFC0, WD400BB-18DEA0, WD400BB-08JHC0, WD400BB-75JHC0, WD400BB-32CFC0, WD400BB-00CAA1, WD400BB-75CAA0, WD400BB-00CJA1, WD400BB-00FJA0, WD400BB-75CLB0, WD400BB-00GFA0, WD400BB-22JHC0, WD400BB-75DEA0, WD400BB-75FJA1, WD400BB-55JKC0, WD400BB-32CXA0, WD400BB-55JKA0, WD400BB-53CAA0, WD400BB-00JKA0, WD400BB-55JHC0, WD400BB-75AUA1, WD400BB-00JKC0, WD400BB-00CLB0, WD400BB-00CAA0, WD400BB-53AUA1, WD400BB-22JHA0, WD400BB-32AUA1, WD400BB-00LNA0, WD400BB-00HEA0, etc.