ST3120813AS Seagate 3.5″ hard drive with a storage capacity of 120GB and featuring a SATA interface. ST3120813AS Seagate Barracuda 120GB 7200RPM SATA 3.5-inch 8MB Cache Hard Drive.

All information about the Seagate ST3120813AS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Seagate ST3120813AS Technical Details:

  • Hard Disk Model: SEAGATE ST3120813AS
  • Disk Family: Barracuda 7200.9 120813
  • 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: 8192 KB
  • Width: 101.6 mm (4.00 inch)
  • Depth: 146.99 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 580 grams (1.28 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 ST3120813AS Hard Drives:

ST3120813AS Seagate 120GB SATA 3.5 Inch Hard Drive

  • ST3120813AS, 5LS, WU, PN 9BD13C-520, FW 3.AAE, Seagate 120GB SATA 3.5″ Hard Drive
  • ST3120813AS, 5LS, WU, PN 9BD13C-301, FW 2AAA, Seagate 120GB SATA 3.5″ Hard Drive
  • ST3120813AS, 5LS, WU, PN 9BD13C-301, FW 3.AAD, Seagate 120GB SATA 3.5″ Hard Drive

Seagate ST3120813AS 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 ST3120813AS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Seagate ST3120813AS 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:
100355589, 100387575, etc.