HTS721010G9SA00 Hitachi 2.5″ hard drive with a storage capacity of 100GB and featuring a SATA interface. HTS721010G9SA00 Hitachi TravelStar 7K100 100GB 7200RPM 8MB Cache SATA 7-Pin 2.5-inch Laptop Hard Drive.

All information about the Hitachi HTS721010G9SA00 hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Hitachi HTS721010G9SA00 Technical Details:

• Hard Disk Model: HITACHI HTS721010G9SA00
• Disk Family: Travelstar 7K100
• Form Factor: 2.5″
• Capacity: 100 GB (100 x 1 000 000 000 bytes)
• Number Of Disks: 2
• Number Of Heads: 4
• Rotational Speed: 7200 RPM
• Rotation Time: 8.33 ms
• Average Rotational Latency: 4.17 ms
• Disk Interface: Serial-ATA/150
• Buffer-Host Max. Rate: 150 MB/seconds
• Buffer Size: 8192 KB
• Average Seek Time: 10 ms
• Track To Track Seek Time: 1 ms
• Full Stroke Seek Time: 18 ms
• Width: 70 mm (2.76 inch)
• Depth: 100 mm (3.94 inch)
• Height: 9.5 mm (0.37 inch)
• Weight: 115 grams (0.25 pounds)
• Acoustic (Idle): 2.4 Bel
• Acoustic (Min performance and volume): 2.6 Bel
• Acoustic (Max performance and volume): 2.6 Bel
• Required Power For Spinup: 900 mA
• Power Required (Seek): 1.7 W
• Power Required (Idle): 0.8 W
• Power Required (Standby): 0.2 W
• Manufacturer: Hitachi Global Storage Technologies

Hitachi HTS721010G9SA00 Hard Drives:

• HTS721010G9SA00, PN 0A26568, MLC DA1534, Hitachi 100GB SATA 2.5″ Hard Drive
• Hitachi HTS721010G9SA00, 7200RPM, 1.5Gp/s, 100GB SATA 2.5″ HDD
• HTS721010G9SA00, PN 0A26568, MLC DA1919, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A54728, MLC DA1981, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A26588, MLC DA1627, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A26588, MLC DA1493, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A25016, MLC DA1534, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A26568, MLC DA1373, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A27318, MLC DA1373, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A50008, MLC DA1534, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A55744, MLC DA1998, Hitachi 100GB SATA 2.5″ Hard Drive
• HTS721010G9SA00, PN 0A26568, MLC DA1998, Hitachi 100GB SATA 2.5″ Hard Drive

Hitachi HTS721010G9SA00 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 HTS721010G9SA00 Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Hitachi HTS721010G9SA00 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:
0A26228, etc.

Multiple Sticker Number revisions:
0A26253 DA1335, 0A26253 DA1335_, 0A26253 DA1335A, etc.