HDS721050CLA662 Hitachi 3.5″ hard drive with a storage capacity of 500GB and featuring a SATA interface. HDS721050CLA662 Hitachi Deskstar 7K1000.C 500GB 7200RPM SATA 6GB/s 16MB Cache 3.5-inch Hard Disk Drive.

All information about the Hitachi HDS721050CLA662 hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Hitachi HDS721050CLA662 Technical Details:

• Hard Disk Model: HITACHI HDS721050CLA662
• Disk Family: Deskstar 7K1000.C
• Form Factor: 3.5″
• Capacity: 500 GB (500 x 1 000 000 000 bytes)
• Number Of Disks: 1
• Number Of Heads: 2
• 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: 16384 KB
• Width: 101.6 mm (4.00 inch)
• Depth: 147 mm (5.79 inch)
• Height: 26.1 mm (1.03 inch)
• Weight: 400 grams (0.88 pounds)
• Required Power For Spinup: 3300 mA
• Power Required (Seek): 7 W
• Power Required (Idle): 5 W
• Power Required (Standby): 2 W
• Manufacturer: Hitachi Global Storage Technologies

Hitachi HDS721050CLA662 Hard Drives:

• Hitachi 3.5" 500GB SATA Hard Drive HDS721050CLA662 16MB Cache Bulk/OEM 7200 RPM Desktop
• HDS721050CLA662, PN 0F15012, MLC JPT41A, Hitachi 500GB SATA 3.5″ Hard Drive
• HDS721050CLA662, PN 0F15629, MLC JPT50E, Hitachi 500GB SATA 3.5″ Hard Drive
• HDS721050CLA662, PN 0F15636, MLC JPT50E, Hitachi 500GB SATA 3.5″ Hard Drive

Hitachi HDS721050CLA662 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 HDS721050CLA662 Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Hitachi HDS721050CLA662 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:
0A71261, 0A71256, etc.

Multiple Sticker Number revisions:
0A72944, 0J21706 BA4268A, 0A72944 BA3786_, 0J21706 BA4268_, etc.