ST3300955FC Seagate 3.5″ hard drive with a storage capacity of 300GB and featuring a Fibre Channel interface.
All information about the Seagate ST3300955FC hard disk drive: technical parameters, failure symptoms, HDD PCB repair and recommended retailers.

Seagate ST3300955FC Technical Details:
- Disk Family: Cheetah NS
- Type: HDD
- Purpose: for the server
- Form Factor: 3.5″
- Storage Capacity: 300 GB
- Buffer memory: 16 MB
- Speed of rotation: 10075 rpm
- Disk Interface: Fibre Channel
- External data transfer rate: 400 MB/s
- Internal data transfer rate: 1211 Mbps
- Average access time, reading: 3.9 MS
- Average access time, record: 4.2 MS
- Access time track to track: 0.35 MS
- The average time delay (Latency): 2.98 MS
- Noise idle: 36 dB
- Operating noise level: 40 dB
- MTBF: 1400000 h
- Dimensions (WxHxL): 101.85×26.11×147 mm
- Weight: 771 g
Seagate ST3300955FC Hard Drives:
- Seagate Cheetah NS 300GB 10K 4Gbps 40pin FC-AL Fibre / Fiber Channel 3.5″ Hard Drive ST3300955FC
Seagate ST3300955FC 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 ST3300955FC HDD PCB Repair:
When it comes to data recovery one of the most common problems Seagate ST3300955FC 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 “PCB Number” of your current circuit board in addition to the hard drive’s “Model Number”.
Multiple PCB Number revisions:
, etc.
