HDS722020ALA330 Hitachi 3.5″ hard drive with a storage capacity of 2TB and featuring a SATA interface. HDS722020ALA330 Hitachi Deskstar 7K2000 2TB 7200RPM SATA 3GB/s 32MB Cache 3.5-inch Hard Disk Drive.
All information about the Hitachi HDS722020ALA330 hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Hitachi HDS722020ALA330 Technical Details:
- Hard Disk Model: HITACHI HDS722020ALA330
- Disk Family: Deskstar 7K2000
- Form Factor: 3.5″
- Capacity: 2 TB (2 x 1 000 000 000 000 bytes)
- Rotational Speed: 7200 RPM
- Rotation Time: 8.33 ms
- Average Rotational Latency: 4.17 ms
- Disk Interface: Serial-ATA/300
- Buffer-Host Max. Rate: 300 MB/seconds
- Buffer Size: 32768 KB
- Average Seek Time: 8.2 ms
- Width: 101.6 mm (4.00 inch)
- Depth: 146 mm (5.75 inch)
- Height: 26.1 mm (1.03 inch)
- Weight: 740 grams (1.63 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 HDS722020ALA330 Hard Drives:
- HDS722020ALA330, PN 0F10311, MLC JPK3MA, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F10453, MLC JPK3EA, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F12944, MLC JPK35E, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F11023, MLC JPK3EA, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F10501, MLC JPK23N, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F10944, MLC JPK3GB, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F10311, MLC JPK10D, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F11603, MLC JPK37B, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F10311, MLC JPK28A, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F10311, MLC JPK3EA, Hitachi 2TB SATA 3.5″ Hard Drive
- HDS722020ALA330, PN 0F12891, MLC JPK35B, Hitachi 2TB SATA 3.5″ Hard Drive
- Hitachi HDS722020ALA330, 7200RPM, 3.0Gp/s, 2TB SATA 3.5″ HDD
Hitachi HDS722020ALA330 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 HDS722020ALA330 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Hitachi HDS722020ALA330 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, etc.
Multiple Sticker Number revisions:
0A71339 BA3293_, 0A71339 BA3785_, 0A71339 BA3293, 0A71339 BA3293A, etc.