ST3146855SS Seagate 3.5″ hard drive with a storage capacity of 146GB and featuring a SAS interface. ST3146855SS Seagate Cheetah 146.8GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive.

All information about the Seagate ST3146855SS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Seagate ST3146855SS Technical Details:

  • Hard Disk Model: SEAGATE ST3146855SS
  • Disk Family: Cheetah 15K.5 146855
  • Form Factor: 3.5″
  • Capacity: 146.8 GB (146.8 x 1 000 000 000 bytes)
  • Number Of Disks: 2
  • Number Of Heads: 4
  • Rotational Speed: 15000 RPM
  • Rotation Time: 4.00 ms
  • Average Rotational Latency: 2.00 ms
  • Disk Interface: SAS
  • Buffer-Host Max. Rate: 300 MB/seconds
  • Buffer Size: 16384 KB
  • Average Seek Time: 3.5 ms
  • Track To Track Seek Time: 0.2 ms
  • Width: 101.6 mm (4.00 inch)
  • Depth: 146.05 mm (5.75 inch)
  • Height: 25.4 mm (1.00 inch)
  • Weight: 771 grams (1.70 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 ST3146855SS Hard Drives:

ST3146855SS Seagate 146GB SAS 3.5 Inch Hard Drive

  • Seagate ST3146855SS, 15000RPM, 3.0Gp/s, 146GB SAS 3.5″ HDD
  • ST3146855SS, 3LN, PN 9Z2066-051, FW S513, Seagate 146GB SAS 3.5″ Hard Drive
  • ST3146855SS, 3LN, PN 9Z2066-054, FW S527, Seagate 146GB SAS 3.5″ Hard Drive
  • ST3146855SS, 3LN, PN 9Z2066-052, FW S515, Seagate 146GB SAS 3.5″ Hard Drive
  • ST3146855SS, 3LN, PN 9Z2066-047, FW HPS1, HP 146GB SAS 3.5″ Hard Drive
  • ST3146855SS, 3LN, PN 9Z2066-035, FW HPDA, HP 146GB SAS 3.5″ Hard Drive

Seagate ST3146855SS 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 ST3146855SS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Seagate ST3146855SS 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:
100411437, etc.