HTS725050A7E635 Hitachi 2.5″ hard drive with a storage capacity of 500GB and featuring a SATA interface. HTS725050A7E635 Hitachi Travelstar Z7K500 500GB 7200RPM SATA 6GB/s 32MB Cache 2.5-inch Hard Disk Drive.
All information about the Hitachi HTS725050A7E635 hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Hitachi HTS725050A7E635 Technical Details:
- Hard Disk Model: HITACHI HTS725050A7E635
- Disk Family: Travelstar Z7K500 Opal
- Form Factor: 2.5″
- Capacity: 500 GB (500 x 1 000 000 000 bytes)
- Number Of Disks: 1
- Number Of Heads: 2
- Rotational Speed: 7200 RPM
- Rotation Time: 8.33 ms
- Average Rotational Latency: 4.17 ms
- Disk Interface: Serial-ATA/600
- Buffer-Host Max. Rate: 600 MB/seconds
- Buffer Size: 32768 KB
- Drive Ready Time (typical): 4 seconds
- Average Seek Time: 13 ms
- Track To Track Seek Time: 1 ms
- Full Stroke Seek Time: 25 ms
- Width: 70 mm (2.76 inch)
- Depth: 100 mm (3.94 inch)
- Height: 7 mm (0.28 inch)
- Weight: 95 grams (0.21 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 HTS725050A7E635 Hard Drives:
- HTS725050A7E635, PN 0J43995, MLC DA6560, Hitachi 500GB SATA 2.5″ Hard Drive
- HTS725050A7E635, PN 0J43935, MLC DA6727, Hitachi 500GB SATA 2.5″ Hard Drive
- HTS725050A7E635, PN 0J36465, MLC DA6103, Hitachi 500GB SATA 2.5″ Hard Drive
- HTS725050A7E635, PN 0J26155, MLC DA5008, Hitachi 500GB SATA 2.5″ Hard Drive
- HTS725050A7E635, PN 0J33245, MLC DA5836, Hitachi 500GB SATA 2.5″ Hard Drive
- HTS725050A7E635, PN 0J38655, MLC DA6102, Hitachi 500GB SATA 2.5″ Hard Drive
- HTS725050A7E635, PN 0J26175, MLC DA5060, Hitachi 500GB SATA 2.5″ Hard Drive
Hitachi HTS725050A7E635 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 HTS725050A7E635 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Hitachi HTS725050A7E635 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:
88I9305-TLA2, etc.
Multiple Sticker Number revisions:
0J34897 DA6115A, 0J34901 DA6116A, 0J21947 DA5260A, 0J24163 DA5261A, 0J21947 DA5260_, etc.