HDS725050KLA361 Hitachi 3.5″ hard drive with a storage capacity of 400GB and featuring a SATA interface.
All information about the Hitachi HDS725050KLA361 hard disk drive: technical parameters, failure symptoms, HDD PCB repair and recommended retailers.
Hitachi HDS725050KLA361 Technical Details:
- Hard Disk Model: HITACHI HDS725050KLA361
- Disk Family: Deskstar E7K500
- Form Factor: 3.5″
- Capacity: 400 GB (400 x 1 000 000 000 bytes)
- Number Of Disks: 5
- Number Of Heads: 10
- 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: 16384 KB
- Average Seek Time: 8.5 ms
- Width: 101.6 mm (3.98 inch)
- Depth: 146 mm (5.75 inch)
- Height: 25.4 mm (0.98 inch)
- Weight: 700 grams (1.54 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 HDS725050KLA361 Hard Drives:
- HDS725050KLA361 HITACHI 3.5″ 400 GB Serial-ATA/300 Deskstar E7K500 7200 RPM Hard Drive.
Hitachi HDS725050KLA361 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 HDS725050KLA361 HDD PCB Repair:
When it comes to data recovery one of the most common problems Hitachi HDS725050KLA361 hard drive experience is a burned circuit board (PCB). Therefore, if you need to replace the PCB, be sure to match the “Main Contorl Chip Number” of the current board, such as etc.
