MK1251GSY Toshiba 2.5″ hard drive with a storage capacity of 120GB and featuring a SATA interface. MK1251GSY Toshiba 120GB 16MB Cache 7200RPM SATA 3.0GB/s Super Slimline 2.5-inch Hard Disk Drive.

All information about the Toshiba MK1251GSY hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Toshiba MK1251GSY Technical Details:

  • Hard Disk Model: TOSHIBA MK1251GSY
  • Disk Family: MK-1251GSY
  • Form Factor: 2.5″
  • Capacity: 120 GB (120 x 1 000 000 000 bytes)
  • Number Of Disks: 2
  • Number Of Heads: 3
  • 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
  • Width: 69.85 mm (2.75 inch)
  • Depth: 100 mm (3.94 inch)
  • Height: 9.5 mm (0.37 inch)
  • Weight: 115 grams (0.25 pounds)
  • Required Power For Spinup: 940 mA
  • Power Required (Seek): 2.7 W
  • Power Required (Idle): 1.0 W
  • Power Required (Standby): 0.25 W
  • Manufacturer: Toshiba Corp., Storage Device Division

Toshiba MK1251GSY Hard Drives:

MK1251GSY Toshiba 120GB SATA 2.5 Inch Hard Drive

  • MK1251GSY, LD101D, HDD2E23 D UL02 T, Toshiba 120GB SATA 2.5″ Hard Drive
  • Toshiba MK1251GSY, 7200RPM, 3.0Gp/s, 120GB SATA 2.5″ HDD

Toshiba MK1251GSY 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

Toshiba MK1251GSY Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Toshiba MK1251GSY 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:
G002217A, etc.