ST14000NM001J Seagate 3.5″ hard drive with a storage capacity of 14TB and featuring a SATA interface.
All information about the Seagate ST14000NM001J hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.

Seagate ST14000NM001J Technical Details:
- Storage Capacity: 14 TB
- Recording Technology: Conventional Magnetic Recording (CMR)
- Disk Format: 512e/4Kn
- Maximum Read Transfer Rate: 270 MB/s
- Maximum Write Transfer Rate: 258 MB/s
- Random 4KB Read: 170000IOPS
- Random 4KB Write: 550000IOPS
- Spindle Speed (rpm): 7200
- Buffer: 256 MB
- Wireless LAN: No
- Disk Interface: SATA
- Drive Interface Standard: SATA/600
- Input Voltage: 5 V, 12 V
- Drive Type: Internal
- Hot Pluggable: Yes
- Height: 1.03″ (26.10 mm)
- Width: 4.01″ (101.85 mm)
- Depth: 5.79″ (147 mm)
- Weight (Approximate): 650 g
- Device Supported: Server
Seagate ST14000NM001J Hard Drives:
- Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5″ Internal Hard Drive, SED
Seagate ST14000NM001J 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 ST14000NM001J Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Seagate ST14000NM001J 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:
, etc.