HDT721025SLA360 Hitachi 3.5″ hard drive with a storage capacity of 250 GB and featuring a SATA interface. HDT721025SLA360 HITACHI 3.5″ 250 GB Serial-ATA/300 Deskstar 7K1000.B 7200 RPM Hard Drive.
All information about the Hitachi HDT721025SLA360 hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Hitachi HDT721025SLA360 Technical Details:
- Hard Disk Model: HITACHI HDT721025SLA360
- Disk Family: Deskstar 7K1000.B
- Form Factor: 3.5″
- Capacity: 250 GB (250 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/300
- Buffer-Host Max. Rate: 300 MB/seconds
- Buffer Size: 16384 KB
- Drive Ready Time (typical): 8 seconds
- Average Seek Time: 14 ms
- Track To Track Seek Time: 0.8 ms
- Full Stroke Seek Time: 27 ms
- Width: 101.6 mm (3.98 inch)
- Depth: 147 mm (5.79 inch)
- Height: 26.1 mm (1.02 inch)
- Weight: 400 grams (0.88 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 HDT721025SLA360 Hard Drives:
- HDT721025SLA360 HITACHI 3.5″ 250 GB Serial-ATA/300 Deskstar 7K1000.B 7200 RPM Hard Drive.
Hitachi HDT721025SLA360 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 HDT721025SLA360 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Hitachi HDT721025SLA360 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.
