WD4000F9YZ Western Digital 3.5″ hard drive with a storage capacity of 4TB and featuring a SATA interface. WD4000F9YZ-76N20L1 Western Digital 4TB 7200RPM SATA 6Gb/s 3.5-inch Hard Drive.

All information about the Western Digital WD4000F9YZ hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD4000F9YZ Technical Details:

  • Hard Disk Model: WDC WD4000F9YZ
  • Disk Family: Se
  • Form Factor: 3.5″
  • Capacity: 4 TB (4 x 1 000 000 000 000 bytes)
  • 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: 65536 KB
  • Width: 101.6 mm (4.00 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 750 grams (1.65 pounds)
  • Manufacturer: Western Digital Corporation

Western Digital WD4000F9YZ Hard Drives:

WD4000F9YZ Western Digital 4TB SATA 3.5 Inch Hard Drive

  • WD4000F9YZ-09N20L0, DCM HBNNHVJAAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HANNHVJABB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM EBNNNVJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM EARNNVJAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM EARNHVJAA, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-23N20L0, DCM HANNHVJABB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HANNNTJABB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HBRNNTJAAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HANNNVJMA, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HARNNVJMA, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HBNNNTJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HANNNTJAAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HBRCHVJABB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HARNHVJMBB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HARNNVJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HANNHTJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HBNCNVJMBB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HBNNNTJMBB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HANNNTJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HBNNHVJABB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM EANNNVJMBB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L1, DCM HBNNNVJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD4000F9YZ-09N20L0, DCM HBNCHVJMBB, Western Digital 4TB SATA 3.5″ Hard Drive

Western Digital WD4000F9YZ 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 WD4000F9YZ Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD4000F9YZ 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:
2060-771822-002, etc.

Multiple Model Number revisions:
WD4000F9YZ-23N20L0, WD4000F9YZ-09N20L1, WD4000F9YZ-09N20L0, etc.