HGST HUA722010CLA331 3.5″ hard drive with a storage capacity of 1 TB and featuring a SATA interface. HGST HUA722010CLA331 Ultrastar A7K1000 1 TB 3.5″ Internal Hard Drive Serial ATA-300 7200 RPM 32 MB Buffer.
All information about the HGST HUA722010CLA331 hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.
HGST HUA722010CLA331 Technical Details:
Note: The HGST HUA722010CLA331 is part of the Ultrastar A7K1000 series, an enterprise-class 7200 RPM hard drive line. The “A7K” designation indicates 7200 RPM for maximum performance. These drives were designed for high-performance enterprise applications, RAID arrays, and data center storage requiring fast access times.
HGST HUA722010CLA331 Hard Drives:
- HUA722010CLA331 – 1 TB SATA 3.5″ Enterprise Hard Drive, Ultrastar A7K1000 series
- Model code breakdown: HUA72 (Ultrastar A7K1000) + 2010 (1 TB capacity) + CLA331 (specific variant)
- Common firmware revisions: J384A00, J384A01
- Advanced Format: 512n (native 512-byte sectors)
- Recommended usage: Enterprise servers, high-performance RAID, data centers
HGST HUA722010CLA331 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;
- Drive spins but produces rhythmic clicking – typical of head failure.
Logical Failure Examples:
- Accidental deletion, accidental format, file corruption;
- File system corruption;
- RAID array drive dropout.
Firmware Failure Symptoms:
- Drive powers up but is not recognised;
- Drive detected with 0 MB capacity.
Bad Platter Area Symptoms:
- Hard disk appears to “hang” or be “sluggish”;
- Constant CRC errors.
Complex Failure Model
(A combination of two or more of the above failure types)
HGST HUA722010CLA331 Data Recovery & HDD Repair:
This enterprise drive has a separate ROM/NVRAM chip on the PCB. When replacing a faulty PCB, you MUST transfer the original ROM chip.
PCB Replacement Information:
To replace a faulty PCB, match the following:
- Model number: HUA722010CLA331
- PCB part number: Common numbers include 0A32870, 0A32871
- Firmware revision: e.g., J384A00, J384A01
⚠️ Critical Note: You MUST transfer the original ROM chip from the old PCB to the new donor board.
Common Failure Scenarios:
Repair Options by Failure Type:
Frequently Asked Questions (FAQs):
Q: What is the capacity?
A: 1 TB (approximately 931 GB formatted).
Q: What is the RPM and cache?
A: 7200 RPM and 32 MB cache.
Q: Is this drive good for enterprise servers?
A: Yes, the Ultrastar A7K1000 series was designed for enterprise servers and RAID arrays.
Q: My drive clicks. What’s wrong?
A: Clicking indicates head failure. Seek professional data recovery.
User Reviews & Summary:
Pros:
– 1.2 million hour MTBF – enterprise reliability
– 7200 RPM – high performance
– 32 MB cache
– Designed for 24/7 operation
Cons:
– 1 TB capacity is modest
– SATA 3 Gb/s – limited by modern standards
– Discontinued – used only
Final Verdict:
The HGST HUA722010CLA331 is a reliable enterprise SATA drive. For data recovery, professional assistance is recommended.