ST3120215AS Seagate 3.5″ hard drive with a storage capacity of 120GB and featuring a SATA interface. ST3120215AS Seagate 120GB 7200RPM SATA 3Gb/s 3.5-inch Hard Drive.
All information about the Seagate ST3120215AS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Seagate ST3120215AS Technical Details:
- Hard Disk Model: SEAGATE ST3120215AS
- Disk Family: Barracuda 7200.10 120215
- Form Factor: 3.5″
- Capacity: 120 GB (120 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: 2048 KB
- Drive Ready Time (typical): 7.9 seconds
- Average Seek Time: 11 ms
- Track To Track Seek Time: 0.8 ms
- Width: 101.6 mm (4.00 inch)
- Depth: 146.99 mm (5.79 inch)
- Height: 19.99 mm (0.79 inch)
- Weight: 380 grams (0.84 pounds)
- Acoustic (Idle): 2.7 Bel
- Acoustic (Min performance and volume): 2.9 Bel
- Acoustic (Max performance and volume): 2.9 Bel
- Required Power For Spinup: 2800 mA
- Power Required (Seek): 12.8 W
- Power Required (Idle): 7.20 W
- Power Required (Standby): 0.80 W
- Manufacturer: Seagate Technology
Seagate ST3120215AS Hard Drives:
- ST3120215AS, 5RX, WU, PN 9CY11C-621, FW 3.CHF, Seagate 120GB SATA 3.5″ Hard Drive
- ST3120215AS, 6RX, SU, PN 9CY11C-621, FW 3.CHF, Seagate 120GB SATA 3.5″ Hard Drive
- ST3120215AS, 9RX, TK, PN 9CY11C-621, FW 3.CHF, Seagate 120GB SATA 3.5″ Hard Drive
Seagate ST3120215AS 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 ST3120215AS Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Seagate ST3120215AS 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:
100428473, etc.