ST9320423AS Seagate 2.5″ hard drive with a storage capacity of 320GB and featuring a SATA interface. ST9320423AS Seagate Momentus 320GB 7200RPM SATA 3GB/s 7-Pin 2.5-inch 16MB Cache Internal Hard DISK DR.

All information about the Seagate ST9320423AS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Seagate ST9320423AS Technical Details:

  • Hard Disk Model: SEAGATE ST9320423AS
  • Disk Family: Momentus 7200.4 320423
  • Form Factor: 2.5″
  • Capacity: 320 GB (320 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: 100.35 mm (3.95 inch)
  • Height: 9.5 mm (0.37 inch)
  • Weight: 110 grams (0.24 pounds)
  • Acoustic (Idle): 2.3 Bel
  • Acoustic (Min performance and volume): 2.5 Bel
  • Acoustic (Max performance and volume): 3.0 Bel
  • Required Power For Spinup: 1200 mA
  • Power Required (Seek): 2.4 W
  • Power Required (Idle): 1.2 W
  • Power Required (Standby): 0.36 W
  • Manufacturer: Seagate Technology

Seagate ST9320423AS Hard Drives:

ST9320423AS Seagate 320GB SATA 2.5 Inch Hard Drive

  • ST9320423AS, 5VH, WU, PN 9HV14E-022, FW 0006HPM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-071, FW 0003LVM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-037, FW D005SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-300, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VJ, WU, PN 9HV14E-022, FW 0006HPM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-020, FW 0003HPM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-070, FW 0002LVM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VJ, WU, PN 9HV14E-037, FW D005SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423ASG, 5VH, WU, PN 9PSG4E-032, FW 0003SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423ASG, 5VH, WU, PN 9PSG4E-033, FW 0004SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-500, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VJ, WU, PN 9HV14E-071, FW 0003LVM1, Seagate 320GB SATA 2.5″ Hard Drive
  • Seagate ST9320423AS, 7200RPM, 3.0Gp/s, 320GB SATA 2.5″ HDD
  • ST9320423AS, 5VJ, WU, PN 9HV14E-055, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-031, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423ASG, 5VH, WU, PN 9PSG4E-040, FW 0006APM2, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VJ, WU, PN 9HV14E-036, FW D004SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-286, FW 0003SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-032, FW 0003SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423ASG, 5VJ, WU, PN 9PSG4E-033, FW 0004SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423ASG, 5VH, WU, PN 9PSG4E-031, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VJ, WU, PN 9HV14E-300, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, W33, WU, PN 9HV14E-300, FW 0002SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VH, WU, PN 9HV14E-036, FW D004SDM1, Seagate 320GB SATA 2.5″ Hard Drive
  • ST9320423AS, 5VJ, WU, PN 9HV14E-020, FW 0003HPM1, Western Digital 320GB SATA 2.5″ Hard Drive

Seagate ST9320423AS 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 ST9320423AS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Seagate ST9320423AS 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:
100535597, 100565308, 100536286, etc.