WD740HLFS Western Digital 2.5″ hard drive with a storage capacity of 74GB and featuring a SATA interface. WD740HLFS Western Digital VelociRaptor 74GB 10000RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive.

All information about the Western Digital WD740HLFS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD740HLFS Technical Details:

  • Hard Disk Model: WDC WD740HLFS
  • Disk Family: VelociRaptor
  • Form Factor: 3.5″
  • Capacity: 74 GB (74 x 1 000 000 000 bytes)
  • Rotational Speed: 10000 RPM
  • Rotation Time: 6.00 ms
  • Average Rotational Latency: 3.00 ms
  • Disk Interface: Serial-ATA/300
  • Buffer-Host Max. Rate: 300 MB/seconds
  • Buffer Size: 16384 KB
  • Drive Ready Time (typical): 7 seconds
  • Average Seek Time: 3.6 ms
  • Track To Track Seek Time: 0.4 ms
  • Width: 101.6 mm (4.00 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 490 grams (1.08 pounds)
  • Manufacturer: Western Digital Corporation

Western Digital WD740HLFS Hard Drives:

WD740HLFS Western Digital 74GB SATA 2.5 Inch Hard Drive

  • WD740HLFS-01G6U3, DCM EBCV2B, Western Digital 74GB SATA 2.5″ Hard Drive
  • WD740HLFS-01G6U0, DCM EHCV2B, Western Digital 74GB SATA 2.5″ Hard Drive

Western Digital WD740HLFS 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 WD740HLFS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD740HLFS 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:
2060-701543-003, etc.

Multiple Model Number revisions:
WD740HLFS-01G6U3, WD740HLFS-01G6U0, etc.