ST9160821A Seagate 2.5″ hard drive with a storage capacity of 160GB and featuring a IDE interface. ST9160821AS Seagate Momentus 5400.3 160GB 5400RPM SATA 1.5Gbps 8MB Cache 2.5-inch Hard Drive.

All information about the Seagate ST9160821A hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Seagate ST9160821A Technical Details:

• Hard Disk Model: SEAGATE ST9160821A
• Disk Family: Momentus 5400.3 160821
• Form Factor: 2.5″
• Capacity: 160 GB (160 x 1 000 000 000 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: 8192 KB
• Average Seek Time: 12.5 ms
• Width: 69.85 mm (2.75 inch)
• Depth: 100.2 mm (3.94 inch)
• Height: 9.5 mm (0.37 inch)
• Weight: 102 grams (0.22 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 ST9160821A Hard Drives:

• ST9160821AS, 5MA, WU, PN 9S1134-022, FW 3.BHE, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-030, FW 3.CDD, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-190, FW 3.ALD, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-508, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-032, FW 3.CDE, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-140, FW 3.ALB, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-070, FW 3.CLF, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-031, FW 3.CDE, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-151, FW 3.ALE, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-506, FW 3.ALB, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-308, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-142, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821A, 5MA, WU, PN 9S1034-508, FW 3.ALE, Seagate 160GB IDE 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-286, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-020, FW 3.BHD, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-070, FW 3.CLH, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-066, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821A, 5MA, WU, PN 9S1034-500, FW 3.ALA, Seagate 160GB IDE 2.5″ Hard Drive
• ST9160821A, 3MA, AMK, PN 9S1034-500, FW 3.ALA, Seagate 160GB IDE 2.5″ Hard Drive
• ST9160821AS, 3MA, AMK, PN 9S1134-504, FW 3.ALA, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-189, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-336, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-566, FW 3.AXC, Seagate 160GB SATA 2.5″ Hard Drive
• ST9160821A, 5MA, WU, PN 9S1034-506, FW 3.ALC, Seagate 160GB IDE 2.5″ Hard Drive
• ST9160821AS, 5MA, WU, PN 9S1134-141, FW 3.ALC, Seagate 160GB SATA 2.5″ Hard Drive

Seagate ST9160821A 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 ST9160821A Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Seagate ST9160821A 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:
100390531, 100398689, etc.