WD400JD Western Digital 3.5″ hard drive with a storage capacity of 40GB and featuring a SATA interface. WD400JD-19MSA1 Western Digital Caviar SE 40GB 7200RPM SATA 1.5GB/s 8MB Cache 3.5-inch Hard Disk Drive.

All information about the Western Digital WD400JD hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD400JD Technical Details:

  • Hard Disk Model: WDC WD400JD
  • Disk Family: Caviar SE
  • 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: Serial-ATA/300
  • Buffer-Host Max. Rate: 300 MB/seconds
  • Buffer Size: 8192 KB
  • Drive Ready Time (typical): 12 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 (4.00 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 430 grams (0.95 pounds)
  • Acoustic (Idle): 3.3 Bel
  • Acoustic (Min performance and volume): 3.4 Bel
  • Acoustic (Max performance and volume): 3.5 Bel
  • Required Power For Spinup: 1250 mA
  • Power Required (Seek): 12.8 W
  • Power Required (Idle): 9.5 W
  • Power Required (Standby): 1.9 W
  • Manufacturer: Western Digital Corporation

Western Digital WD400JD Hard Drives:

WD400JD Western Digital 40GB SATA 3.5 Inch Hard Drive

  • WD400JD-75HKA1, DCM DSBHCTJCH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-75HKA1, DCM HSBACTJCH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-75HKA1, DCM HSBHCTJCA, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-75HKA1, DCM HSBHCTJCH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-00HKA0, DCM FSBHCTJCH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-22MSA1, DCM HSCHYTJCA, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-22LSA0, DCM DSCHYTJCH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-22LSA0, DCM HSCACTJAA, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-22LSA0, DCM DSCANTJAH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-75HKA1, DCM HSBHCTJAH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-75HKA1, DCM HSBACTJCA, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-22LSA0, DCM DSBANTJCA, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-00HKA0, DCM HSBHCTJAH, Western Digital 40GB SATA 3.5″ Hard Drive
  • WD400JD-22LSA0, DCM DSBHYTJCH, Western Digital 40GB SATA 3.5″ Hard Drive

Western Digital WD400JD 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 WD400JD Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD400JD 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:
2060-701335-003, 2060-001252-000, 2060-701335-005, etc.

Multiple Model Number revisions:
WD400JD-22MSA1, WD400JD-75HKA1, WD400JD-00HKA0, WD400JD-22LSA0, etc.