WD6400AAKS Western Digital 3.5″ hard drive with a storage capacity of 640GB and featuring a SATA interface. WD6400AAKS-00E4A0 Western Digital 640GB 7200RPM SATA 3Gb/s 3.5-inch Hard Drive.

All information about the Western Digital WD6400AAKS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD6400AAKS Technical Details:

  • Hard Disk Model: WDC WD6400AAKS
  • Disk Family: Caviar Blue
  • Form Factor: 3.5″
  • Capacity: 640 GB (640 x 1 000 000 000 bytes)
  • Number Of Disks: 2
  • Number Of Heads: 3
  • 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: 16384 KB
  • 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)
  • Weight: 630 grams (1.39 pounds)
  • Acoustic (Idle): 2.5 Bel
  • Acoustic (Min performance and volume): 2.6 Bel
  • Acoustic (Max performance and volume): 2.9 Bel
  • Required Power For Spinup: 1375 mA
  • Power Required (Seek): 8.3 W
  • Power Required (Idle): 7.7 W
  • Power Required (Standby): 1.0 W
  • Manufacturer: Western Digital Corporation

Western Digital WD6400AAKS Hard Drives:

WD6400AAKS Western Digital 640GB SATA 3.5 Inch Hard Drive

  • Western Digital WD6400AAKS, 7200RPM, 3.0Gp/s, 640GB SATA 3.5″ HDD
  • WD6400AAKS-65A7B2, DCM HHNNHT2MHN, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-40H2B0, DCM HHNNNV2CAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-40H2B0, DCM HANNNV2MA, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-65A7B2, DCM HARNNT2MAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-65A7B2, DCM HANNHTJCA, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-22A7B2, DCM HANNNTJMAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-65Z7B0, DCM HBNNHTZNAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM HHNNHT2MAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM HARNHT2MHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-65A7B2, DCM HANNHT2MAN, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B0, DCM HANNNT2CA, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM HBRNHT2MH, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM EANNHT2MB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-00A7B2, DCM EHRNHTJMHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM HANNHTJMHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-40H2B1, DCM EANNHV2CAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-00A7B0, DCM EHNNHT2CHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM HANNHV2MHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-65A7B2, DCM HHRNHV2MHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-22A7B2, DCM HHRNHT2CA, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-08A7B2, DCM DANNNT2MAB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-08A7B0, DCM DBNNNTJCA, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-22A7B2, DCM HHRNHV2MH, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AAKS-75A7B2, DCM HANNHTJCAB, Western Digital 640GB SATA 3.5″ Hard Drive

Western Digital WD6400AAKS 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 WD6400AAKS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD6400AAKS 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:
2060-701640-002, 2060-771590-001, 2060-701537-003, 2060-701590-001, 2060-701590-000, 2060-771577-001, etc.

Multiple Model Number revisions:
WD6400AAKS, WD6400AAKS-00E4A0, WD6400AAKS-65Z7B0, WD6400AAKS-08A7B2, WD6400AAKS-00A7B0, WD6400AAKS-65A7B0, WD6400AAKS-40H2B1, WD6400AAKS-40H2B0, WD6400AAKS-08A7B0, WD6400AAKS-00A7B2, WD6400AAKS-65A7B2, WD6400AAKS-75A7B0, WD6400AAKS-41H2B0, WD6400AAKS-22A7B0, WD6400AAKS-75A7B2, WD6400AAKS-22A7B2, WD6400AAKS-00H2B0, etc.