Western Digital WD100AA 3.5″ hard drive with a storage capacity of 10 GB and featuring a PATA interface.
All information about the Western Digital WD100AA hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.

Western Digital WD100AA Technical Details:
- Hard Disk Model: WDC WD100AA
- Disk Family: Caviar
- Form Factor: 3.5″
- Capacity: 10 GB (10 x 1 000 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 4
- Rotational Speed: 5400 RPM
- Rotation Time: 11.11 ms
- Average Rotational Latency: 5.56 ms
- Disk Interface: Ultra-ATA/66 (IDE)
- Buffer-Host Max. Rate: 66.6 MB/seconds
- Buffer Size: 2048 KB
- Average Seek Time: 9.5 ms
- Width: 101.6 mm (4.0 inch)
- Depth: 147.0 mm (5.79 inch)
- Height: 26.1 mm (1.03 inch)
- Weight: 630 grams (1.39 pounds)
- Acoustic (Idle): 3.3 Bel
- Required Power For Spinup: 1600 mA
- Power Required (Seek): 6.8 W
- Power Required (Idle): 5.2 W
- Power Required (Standby): 0.9 W
- Manufacturer: Western Digital Technologies, Inc.
Western Digital WD100AA Hard Drives:
- WD100AA-60ANA0, DCM RSBAEVHHO, Western Digital 10GB IDE 3.5″ Hard Drive
Western Digital WD100AA 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 WD100AA Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Western Digital WD100AA hard drive experience is a burned circuit board (PCB). Therefore, if you need to replace the PCB, be sure to match the “PCB Number” of the current board, such as 60-600843-001 REV A, 60-600843-001 REV B, etc.