HUA723020ALA640 Hitachi 3.5″ hard drive with a storage capacity of 2TB and featuring a SATA interface. HUA723020ALA640 Hitachi Ultrastar 7K3000 2TB 7200RPM SATA 6GB/s 64MB Cache 3.5-inch Hard Disk Drive.

All information about the Hitachi HUA723020ALA640 hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Hitachi HUA723020ALA640 Technical Details:

  • Hard Disk Model: HUA723020ALA640
  • Disk Family: Ultrastar 7K3000
  • Form Factor: 3.5″
  • Capacity: 2 TB (2 x 1 000 000 000 000 bytes)
  • Number Of Disks: 4
  • Number Of Heads: 7
  • 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
  • Average Seek Time: 8.2 ms
  • Width: 101.6 mm (4.00 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 690 grams (1.52 pounds)
  • Required Power For Spinup: 3300 mA
  • Power Required (Seek): 7 W
  • Power Required (Idle): 5 W
  • Power Required (Standby): 2 W
  • Manufacturer:

Hitachi HUA723020ALA640 Hard Drives:

HUA723020ALA640 Hitachi 2TB SATA 3.5 Inch Hard Drive

  • HUA723020ALA640, PN 0F15107, MLC MRK6T0, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F14992, MLC MRK690, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F14992, MLC MRK870, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F12455, MLC MRKA10, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F14994, MLC MRKA12, HP 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F14043, MLC MRK5BB, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F12455, MLC MRK800, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F14994, MLC MRK6D2, Hitachi 2TB SATA 3.5″ Hard Drive
  • HUA723020ALA640, PN 0F15126, MLC MRK910, IBM 2TB SATA 3.5″ Hard Drive

Hitachi HUA723020ALA640 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

Hitachi HUA723020ALA640 Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Hitachi HUA723020ALA640 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 “Main Controller IC Number (3.5″)” or “White Label Number (2.5″)” of your current circuit board in addition to the hard drive’s “Model Number“.

Multiple Main Controller IC Number revisions:
0J11389, etc.

Multiple Sticker Number revisions:
0J14078 BA4443A, 0J14078 BA4443B, 0J14078 BA3967A, 0J14078 BA4443_, 0J14078 BA4443C, etc.