WD6400AADS Western Digital 3.5″ hard drive with a storage capacity of 640GB and featuring a SATA interface. WD6400AADS Western Digital Caviar Green 640GB SATA 3GB/s 7200RPM (intellipower) 32MB Cache 7-Pin 3.5-inch Hard Drive.

All information about the Western Digital WD6400AADS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD6400AADS Technical Details:

  • Hard Disk Model: WDC WD6400AADS
  • Disk Family: Caviar Green
  • Form Factor: 3.5″
  • Capacity: 640 GB (640 x 1 000 000 000 bytes)
  • Number Of Disks: 2
  • Number Of Heads: 4
  • Disk Interface: Serial-ATA/300
  • Buffer-Host Max. Rate: 300 MB/seconds
  • Buffer Size: 32768 KB
  • Width: 101.6 mm (4.00 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 600 grams (1.32 pounds)
  • Acoustic (Idle): 2.4 Bel
  • Acoustic (Min performance and volume): 2.5 Bel
  • Acoustic (Max performance and volume): 2.9 Bel
  • Required Power For Spinup: 1392 mA
  • Power Required (Seek): 5.4 W
  • Power Required (Idle): 2.5 W
  • Power Required (Standby): 0.46 W
  • Manufacturer: Western Digital Corporation

Western Digital WD6400AADS Hard Drives:

WD6400AADS Western Digital 640GB SATA 3.5 Inch Hard Drive

  • WD6400AADS-11M2B1, DCM EHNYHT2MH, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AADS-00M2B0, DCM HBNCHT2CAN, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AADS-00M2B0, DCM HHNNNT2MHB, Western Digital 640GB SATA 3.5″ Hard Drive
  • WD6400AADS-11M2B1, DCM HANYNT2MAB, Western Digital 640GB SATA 3.5″ Hard Drive

Western Digital WD6400AADS 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 WD6400AADS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD6400AADS 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:
2060-701640-001, 2060-701640-002, etc.

Multiple Model Number revisions:
WD6400AADS-00M2B0, WD6400AADS-11M2B1, etc.