HDS724020ALE640 Hitachi 3.5″ hard drive with a storage capacity of 2TB and featuring a SATA interface.
All information about the Hitachi HDS724020ALE640 hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.
Hitachi HDS724020ALE640 Technical Details:
- Hard Disk Model: HGST Deskstar 7K4000 (HDS724020ALE640)
- Disk Family: Deskstar 7K4000 Series
- Form Factor: 3.5″
- Capacity: 2 TB (2,000,000,000,000 bytes)
- Rotational Speed: 7200 RPM
- Rotation Time: 8.33 ms
- Average Rotational Latency: 4.17 ms
- Disk Interface: Serial-ATA/600 (SATA III 6.0 Gb/s)
- Buffer-Host Max. Rate: 600 MB/second
- Buffer Size: 65536 KB (64 MB)
- Number of Disks (Platters): 3
- Number of Heads: 6
- Width: 101.6 mm (4.00 inch)
- Depth: 147.0 mm (5.79 inch)
- Height: 26.1 mm (1.02 inch)
- Weight: 690 grams (1.52 pounds)
- Manufacturer: HGST (a Western Digital company)
Hitachi HDS724020ALE640 Hard Drives:
- HDS724020ALE640, PN 0F23905, MLC MPK5K0, Hitachi 2TB SATA 3.5″ Hard Drive
Hitachi HDS724020ALE640 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 HDS724020ALE640 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Hitachi HDS724020ALE640 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:
LSI 6045, etc.
Multiple Sticker Number revisions:
0J21731 BA4492B, etc.