WD20PURZ Western Digital 3.5″ hard drive with a storage capacity of 2TB and featuring a SATA interface.
All information about the Western Digital WD20PURZ hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.
Western Digital WD20PURZ Technical Details:
- Hard Disk Model: Western Digital WD20PURZ
- Disk Family: WD Purple (Surveillance)
- Form Factor: 3.5″
- Capacity: 2000 GB (2 000 000 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 4
- Rotational Speed: 5400 RPM
- Rotation Time: 11.11 ms
- Average Rotational Latency: 5.56 ms
- Disk Interface: SATA 6 Gb/s (SATA III)
- Buffer-Host Max. Rate: 600.0 MB/seconds
- Buffer Size: 64 MB (CMR)
- Drive Ready Time (typical): 3.8 seconds
- Average Seek Time: 9.5 ms
- Track To Track Seek Time: 2.0 ms
- Width: 101.6 mm (4.00 inch)
- Depth: 147.0 mm (5.79 inch)
- Height: 26.1 mm (1.03 inch)
- Weight: 600 grams (1.32 pounds)
- Acoustic (Idle): 2.3 Bel
- Acoustic (Min performance and volume): 2.3 Bel
- Acoustic (Max performance and volume): 2.4 Bel
- Required Power For Spinup: 12V / 5V (Peak 1.75A)
- Power Required (Seek): 4.4 W
- Power Required (Idle): 4.1 W
- Power Required (Standby): 0.4 W
- Manufacturer: Western Digital Corporation
Western Digital WD20PURZ Hard Drives:
- WD20PURZ-85GU6Y0, DCM HARNNTJMAB, Western Digital 2TB SATA 3.5″ Hard Drive
- WD20PURZ-85GU6Y0, DCM HARCKTJMHB, Western Digital 2TB SATA 3.5″ Hard Drive
Western Digital WD20PURZ 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
Western Digital WD20PURZ Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Western Digital WD20PURZ 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:
2060-771945-002, etc.
Multiple Model Number revisions:
WD20PURZ-85GU6Y0, etc.