ST940814AS Seagate 2.5″ hard drive with a storage capacity of 40GB and featuring a SATA interface. ST940814AS Seagate Momentus 5400.3 40GB 5400RPM SATA 1.5GB/s 8MB Cache 2.5-inch Hard Drive.
All information about the Seagate ST940814AS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Seagate ST940814AS Technical Details:
- Manufacturer: Seagate Technology
- Manufacturer Website: www.seagate.com
- Manufacturer Part No: ST940814AS
- Product Series or Family: Momentus 5400.3
- Product Type: Internal Hard Drive
- Storage Capacity: 40GB
- Spindle Speed: 5400RPM
- Drive Interface: SATA 1.5Gbps
- Form Factor: 2.5Inch
- Cache: 8MB
Seagate ST940814AS Hard Drives:
- ST940814AS, 5LX, WU, PN 9S1131-022, FW 3.BHE, Seagate 40GB SATA 2.5″ Hard Drive
- ST940814AS, 5LY, WU, PN 9S1131-030, FW 3.CDD, Seagate 40GB SATA 2.5″ Hard Drive
- ST940814AS, 5LX, WU, PN 9S1131-506, FW 3.ALB, Seagate 40GB SATA 2.5″ Hard Drive
- Seagate ST940814AS, 5400RPM, 1.5Gp/s, 40GB SATA 2.5″ HDD
- ST940814AS, 5LY, WU, PN 9S1131-020, FW 3.BHD, Seagate 40GB SATA 2.5″ Hard Drive
- ST940814AS, 5LX, WU, PN 9S1131-020, FW 3.BHD, Seagate 40GB SATA 2.5″ Hard Drive
Seagate ST940814AS 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 ST940814AS Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Seagate ST940814AS 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:
100398689, etc.