WD4000AAKS Western Digital 3.5″ hard drive with a storage capacity of 400GB and featuring a SATA interface. WD4000AAKS Western Digital Caviar Blue 400GB 7200RPM SATA 3GB/s 16MB Cache 3.5-inch Hard Drive.
All information about the Western Digital WD4000AAKS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Western Digital WD4000AAKS Technical Details:
- Hard Disk Model: WDC WD4000AAKS
- Disk Family: Caviar SE16
- Form Factor: 3.5″
- Capacity: 400 GB (400 x 1 000 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 4
- Rotational Speed: 7200 RPM
- Rotation Time: 8.33 ms
- Average Rotational Latency: 4.17 ms
- Disk Interface: Serial-ATA/300
- Buffer-Host Max. Rate: 300 MB/seconds
- Buffer Size: 16384 KB
- Drive Ready Time (typical): 13 seconds
- Average Seek Time: 8.9 ms
- Track To Track Seek Time: 2.0 ms
- Full Stroke Seek Time: 21.0 ms
- Width: 101.6 mm (4.00 inch)
- Depth: 147 mm (5.79 inch)
- Height: 25.4 mm (1.00 inch)
- Weight: 630 grams (1.39 pounds)
- Acoustic (Idle): 2.8 Bel
- Acoustic (Min performance and volume): 2.9 Bel
- Acoustic (Max performance and volume): 3.3 Bel
- Required Power For Spinup: 1055 mA
- Power Required (Seek): 7.8 W
- Power Required (Idle): 7.2 W
- Power Required (Standby): 0.97 W
- Manufacturer: Western Digital Corporation
Western Digital WD4000AAKS Hard Drives:
- WD4000AAKS-00A7B0, DCM HARNHV2CA, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00TMA0, DCM HBRCNV2AA, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00TMA0, DCM HHRCHV2AAB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00YGA0, DCM DBNNHT2MAB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00YGA0, DCM DHNNNT2AHN, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00YGA0, DCM DARNHT2CAB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00TMA0, DCM HBNCHV2CBB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00TMA0, DCM DANCHV2CA, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00TMA0, DCM DHNCHV2CHB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00A7B0, DCM HBNNNV2CB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00A7B0, DCM HANNHT2AA, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00C8A0, DCM HBRNHT2CBB, Western Digital 400GB SATA 3.5″ Hard Drive
- WD4000AAKS-00A7B0, DCM HARNNV2CB, Western Digital 400GB SATA 3.5″ Hard Drive
Western Digital WD4000AAKS 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 WD4000AAKS Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Western Digital WD4000AAKS 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:
2060-701444-004, 2060-701477-001, 2060-701537-003, 2060-701477-002, etc.
Multiple Model Number revisions:
WD4000AAKS-00YGA0, WD4000AAKS-00TMA0, WD4000AAKS-00C8A0, WD4000AAKS-00A7B0, etc.