ST910021A Seagate 2.5″ hard drive with a storage capacity of 100GB and featuring a IDE interface. ST910021AS Seagate Momentus 100GB 7200RPM SERIAL ATA-150 (SATA) 2.5-inch 8MB Cache Internal Hard Drive.
All information about the Seagate ST910021A hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Seagate ST910021A Technical Details:
- Hard Disk Model: SEAGATE ST910021A
- Disk Family: Momentus 7200.1 10021
- Form Factor: 2.5″
- Capacity: 100 GB (100 x 1 000 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 4
- Rotational Speed: 7200 RPM
- Rotation Time: 8.33 ms
- Average Rotational Latency: 4.17 ms
- Disk Interface: Ultra-ATA/100
- Buffer-Host Max. Rate: 100 MB/seconds
- Buffer Size: 8192 KB
- Average Seek Time: 10.5 ms
- Width: 69.85 mm (2.75 inch)
- Depth: 100.2 mm (3.94 inch)
- Height: 9.5 mm (0.37 inch)
- Weight: 115 grams (0.25 pounds)
- Acoustic (Idle): 2.3 Bel
- Acoustic (Min performance and volume): 2.5 Bel
- Acoustic (Max performance and volume): 3.0 Bel
- Required Power For Spinup: 1200 mA
- Power Required (Seek): 2.4 W
- Power Required (Idle): 1.2 W
- Power Required (Standby): 0.36 W
- Manufacturer: Seagate Technology
Seagate ST910021A Hard Drives:
- ST910021AS, 5MH, WU, PN 9S3014-070, FW 4.06, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 3MH, AMK, PN 9S3014-032, FW 8.04, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 3MH, AMK, PN 9S3014-070, FW 4.06, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 5MH, WU, PN 9S3014-022, FW 3.12, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 3MH, AMK, PN 9S3014-040, FW 3.07, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 3MH, AMK, PN 9S3014-030, FW 8.02, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021A, 3MH, AMK, PN 9S3004-500, FW 3.04, Seagate 100GB IDE 2.5″ Hard Drive
- ST910021AS, 5MH, WU, PN 9S3014-032, FW 8.04, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 5MH, WU, PN 9S3014-502, FW 3.06, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 5MH, WU, PN 9S3014-503, FW 3.06, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021AS, 3MH, AMK, PN 9S3014-022, FW 3.12, Seagate 100GB SATA 2.5″ Hard Drive
- ST910021A, 5MH, WU, PN 9S3004-503, FW 3.06, Seagate 100GB IDE 2.5″ Hard Drive
- ST910021A, 3MH, AMK, PN 9S3004-031, FW 8.03, Seagate 100GB IDE 2.5″ Hard Drive
Seagate ST910021A 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 ST910021A Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Seagate ST910021A 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 “Board Number” of your current circuit board in addition to the hard drive’s “Model Number“.
Multiple PCB Number revisions:
100349359, 100397877, 100346102, etc.