HGST HUH721212ALE600 3.5″ hard drive with a storage capacity of 12TB and featuring a SATA interface.
All information about the HGST HUH721212ALE600 hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.

HGST HUH721212ALE600 Technical Details:
Manufacturer:
HGST (Western Digital)
Hard Disk Model:
HUH721212ALE600
Disk Family:
Ultrastar He12 (4th Generation Helium)
Form Factor:
3.5″
Capacity:
12 TB (12,000,000,000,000 bytes)
Formatted Capacity:
Approximately 10.91 TB
Number Of Disks:
8
Number Of Heads:
16
Rotational Speed:
7200 RPM
Average Seek Time:
8.0 ms (read) / 8.6 ms (write)
Disk Interface:
Serial ATA-600 (SATA 6 Gb/s)
Buffer Size:
262144 KB (256 MB)
External Transfer Rate:
600 MB/s
Mean Time Between Failures (MTBF):
2,500,000 hours
Workload Rating:
550 TB/year
HGST HUH721212ALE600 Hard Drives:
- HUH721212ALE600 – 12 TB SATA 3.5″ Helium-Filled Enterprise Hard Drive, Ultrastar He12 series
HGST HUH721212ALE600 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
HGST HUH721212ALE600 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems HGST HUH721212ALE600 hard drive experience is a burned circuit board (PCB). Therefore, if you need to replace the PCB, be sure to match the “PCB Number” of the current board, such as 0B41714, etc.