WD40EFRX Western Digital 3.5″ hard drive with a storage capacity of 4TB and featuring a SATA interface. WD40EFRX Western Digital Red 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch NAS Hard Drive.

All information about the Western Digital WD40EFRX hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD40EFRX Technical Details:

  • Hard Disk Model: WDC WD40EFRX
  • Disk Family: Red
  • Form Factor: 3.5″
  • Capacity: 4 TB (4 x 1 000 000 000 000 bytes)
  • Rotational Speed: 5400 RPM
  • Rotation Time: 11.11 ms
  • Average Rotational Latency: 5.56 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: 680 grams (1.50 pounds)
  • Acoustic (Idle): 2.5 Bel
  • Acoustic (Min performance and volume): 2.8 Bel
  • Acoustic (Max performance and volume): 2.8 Bel
  • Required Power For Spinup: 1750 mA
  • Power Required (Seek): 4.5 W
  • Power Required (Idle): 3.3 W
  • Power Required (Standby): 0.4 W
  • Manufacturer: Western Digital Corporation

Western Digital WD40EFRX Hard Drives:

WD40EFRX Western Digital 4TB SATA 3.5 Inch Hard Drive

  • Western Digital WD40EFRX, 5400RPM, 6.0Gp/s, 4TB SATA 3.5″ HDD
  • WD40EFRX-68WT0N0, DCM 2016,HANNNT2CAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM 2015,HANNNT2MAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HANNNTJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HHNNHT2CAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM 2014,HANNNT2CAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM 2014,HANNNT2MAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HANNNT2CHB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HHNNNT2MAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HGRNNTJCGB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HANNNTJMHB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HARNNTJCGB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HGRNHTJMGB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HARNNTJCAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HARNNTJMHB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HARNNT2CAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HANNNTJCAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HGNNHTJMAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM 2015,HANNNT2CAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HHNNNT2MHB, Maxtor 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HARNNT2MHB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HHNNNTJCAB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HHRNNT2MHB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68N32N0, DCM HANNNT2CHB, Western Digital 4TB SATA 3.5″ Hard Drive
  • WD40EFRX-68WT0N0, DCM HHRNNT2CHB, Western Digital 4TB SATA 3.5″ Hard Drive

Western Digital WD40EFRX 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 WD40EFRX Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD40EFRX 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:
2060-800055-001, 2060-800055-002, 2060-771945-002, 2060-771945-001, etc.

Multiple Model Number revisions:
WD40EFRX, WD40EFRX-68N32N0, WD40EFRX-68WT0N0, etc.