HGST HUA722020ALA331 3.5″ hard drive with a storage capacity of 2 TB and featuring a SATA interface. HGST HUA722020ALA331 Ultrastar A7K2000 2 TB 3.5″ Internal Hard Drive Serial ATA-300 7200 RPM 32 MB Buffer.

All information about the HGST HUA722020ALA331 hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.

HGST HUA722020ALA331

HGST HUA722020ALA331 Technical Details:

Manufacturer:
HGST (Hitachi Global Storage Technologies)
Hard Disk Model:
HUA722020ALA331
Disk Family:
Ultrastar A7K2000
Form Factor:
3.5″
Capacity:
2 TB (2,000,000,000,000 bytes)
Formatted Capacity:
Approximately 1.81 TB
Number Of Disks:
3
Number Of Heads:
5
Rotational Speed:
7200 RPM
Average Seek Time:
8.2 ms (read) / 9.2 ms (write)
Disk Interface:
Serial ATA-300 (SATA 3 Gb/s)
Buffer Size:
32768 KB (32 MB)
External Transfer Rate:
300 MB/s
Mean Time Between Failures (MTBF):
1,200,000 hours

Note: The HGST HUA722020ALA331 is part of the Ultrastar A7K2000 series, a high-performance enterprise hard drive line. The A7K2000 series offered capacities up to 2 TB with 7200 RPM spindle speed, designed for demanding enterprise applications and RAID environments.


HGST HUA722020ALA331 Hard Drives:

  • HUA722020ALA331 – 2 TB SATA 3.5″ Enterprise Hard Drive, Ultrastar A7K2000 series

HGST HUA722020ALA331 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 HUA722020ALA331 Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems HGST HUA722020ALA331 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 0A71261, etc.

Best Sellers HDDs

Leave a Reply

Your email address will not be published. Required fields are marked *