ST340823A Seagate 3.5″ hard drive with a storage capacity of 40GB and featuring a IDE interface. ST340823A Seagate 40GB 5400RPM EIDE Internal DMA/ATA-100 (ULTYRA) 3.5-inch Low Profile (1.0 inch) Internal Hard Drive.

All information about the Seagate ST340823A hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Seagate ST340823A Technical Details:

  • Hard Disk Model: SEAGATE ST340823A
  • Disk Family: U Series 5 40823
  • Form Factor: 3.5″
  • Capacity: 40960 MB (40960 x 1 000 000 bytes)
  • Number Of Disks: 2
  • Number Of Heads: 4
  • Rotational Speed: 5400 RPM
  • Rotation Time: 11.11 ms
  • Average Rotational Latency: 5.56 ms
  • Disk Interface: Ultra-ATA/100
  • Buffer-Host Max. Rate: 100 MB/seconds
  • Buffer Size: 512 KB
  • Average Seek Time: 8.9 ms
  • Width: 101.85 mm (4.01 inch)
  • Depth: 147 mm (5.79 inch)
  • Height: 26.1 mm (1.03 inch)
  • Weight: 590 grams (1.30 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 ST340823A Hard Drives:

ST340823A Seagate 40GB IDE 3.5 Inch Hard Drive

  • ST340823A, 7EF, ML2, PN 9R4007-403, FW 3.39, Seagate 40GB IDE 3.5″ Hard Drive
  • ST340823A, 6EF, SZ, PN 9R4007-307, FW 3.39, Seagate 40GB IDE 3.5″ Hard Drive
  • ST340823A, 5EF, WU, PN 9R4007-040, FW 3.05, Seagate 40GB IDE 3.5″ Hard Drive
  • ST340823A, 6EF, SZ, PN 9R4007-645, FW 3.39, Seagate 40GB IDE 3.5″ Hard Drive

Seagate ST340823A 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 ST340823A Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Seagate ST340823A 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:
100104617, etc.