WD7501AALS Western Digital 3.5″ hard drive with a storage capacity of 750GB and featuring a SATA interface. WD7501AALS-00J7B1 Western Digital Caviar Black 750GB 7200RPM SATA 3GB/s 32MB Cache 3.5-inch Hard Disk Drive.
All information about the Western Digital WD7501AALS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Western Digital WD7501AALS Technical Details:
- Hard Disk Model: WDC WD7501AALS
- Disk Family: Caviar Black
- Form Factor: 3.5″
- Capacity: 750 GB (750 x 1 000 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 3
- 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: 32768 KB
- Drive Ready Time (typical): 11 seconds
- Width: 101.6 mm (4.00 inch)
- Depth: 147 mm (5.79 inch)
- Height: 25.4 mm (1.00 inch)
- Weight: 690 grams (1.52 pounds)
- Acoustic (Idle): 2.4 Bel
- Acoustic (Min performance and volume): 2.9 Bel
- Acoustic (Max performance and volume): 3.3 Bel
- Required Power For Spinup: 2075 mA
- Power Required (Seek): 8.4 W
- Power Required (Idle): 7.8 W
- Power Required (Standby): 1.0 W
- Manufacturer: Western Digital Corporation
Western Digital WD7501AALS Hard Drives:
- WD7501AALS-00E8B0, DCM HANNHV2AA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B0, DCM HBNNNV2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- Western Digital WD7501AALS, 7200RPM, 750GB SATA 3.5″ HDD
- WD7501AALS-00J7B0, DCM HBNNHT2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B0, DCM HANNHT2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B0, DCM HBNNHV2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B0, DCM HANNHV2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00E3A0, DCM EANNNTJAAB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B1, DCM HARNNV2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B1, DCM HANNNT2AA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HANNHT2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B1, DCM HBRNNV2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00E8B0, DCM HARNHT2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B0, DCM HANNNV2CB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HBRNHT2CA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HBRNHT2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B1, DCM HBNNNV2AA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HANNHT2AA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HANNHT2CB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B1, DCM HANNHV2AA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HANNNV2AA, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-75J7B0, DCM HBRNHV2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00E8B0, DCM HBNNHV2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00J7B0, DCM HBRNHV2AB, Western Digital 750GB SATA 3.5″ Hard Drive
- WD7501AALS-00E3A0, DCM HARNHTJAAB, Western Digital 750GB SATA 3.5″ Hard Drive
Western Digital WD7501AALS 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 WD7501AALS Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Western Digital WD7501AALS 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:
2060-701640-002, 2060-701622-000, 2060-701567-000, etc.
Multiple Model Number revisions:
WD7501AALS, WD7501AALS-75J7B0, WD7501AALS-00J7B0, WD7501AALS-00E3A0, WD7501AALS-00J7B1, WD7501AALS-00E8B0, etc.