Seagate ST250LT021 2.5″ hard drive with a storage capacity of 250 GB and featuring a SATA interface.
All information about the Seagate ST250LT021 hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.
Seagate ST250LT021 Technical Details:
- Hard Disk Model: ST250LT021
- Disk Family: Momentus Thin (or Laptop Thin HDD)
- Form Factor: 2.5″
- 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 (SATA II)
- Buffer-Host Max. Rate: 300 MB/seconds
- Buffer Size: 16384 KB
- Average Seek Time: 11.0 ms
- Width: 69.85 mm (2.75 inch)
- Depth: 100.5 mm (3.95 inch)
- Height: 7.0 mm (0.28 inch)
- Weight: 95 grams (0.21 pounds)
- Acoustic (Idle): 2.3 Bel
- Required Power For Spinup: 1000 mA
- Power Required (Seek): 1.55 W
- Power Required (Idle): 0.67 W
- Power Required (Standby): 0.20 W
- Manufacturer: Seagate Technology PLC
Seagate ST250LT021 Hard Drives:
- ST250LT021, W0Q, WU, PN 1AF14C-500, FW 0001EXM1, Seagate 250GB SATA 2.5″ Hard Drive
Seagate ST250LT021 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
Seagate ST250LT021 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Seagate ST250LT021 hard drive experience is a burned circuit board (PCB). Therefore, if you need to replace the PCB, be sure to match the “PCB Number” of the current board, such as 100611631 REV A, etc.