WD400UE Western Digital 2.5″ hard drive with a storage capacity of 40GB and featuring a IDE interface. WD400UE Western Digital Scorpio 40GB 5400RPM EIDE Ultra- 40-Pin Slim Line 2MB Cache Dma/ATA-100 (ultra) 2.5-inch Hard Drive.
All information about the Western Digital WD400UE hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Western Digital WD400UE Technical Details:
- Hard Disk Model: WDC WD400UE
- Disk Family: Scorpio
- Form Factor: 2.5″
- Capacity: 40 GB (40 x 1 000 000 000 bytes)
- Number Of Disks: 1
- Number Of Heads: 1
- Rotational Speed: 5400 RPM
- Rotation Time: 11.11 ms
- Average Rotational Latency: 5.56 ms
- Disk Interface: Ultra-ATA/100
- Buffer-Host Max. Rate: 100 MB/seconds
- Buffer Size: 2048 KB
- Drive Ready Time (typical): 4 seconds
- Average Seek Time: 12.0 ms
- Track To Track Seek Time: 2.0 ms
- Full Stroke Seek Time: 21.0 ms
- Width: 69.85 mm (2.75 inch)
- Depth: 100.2 mm (3.94 inch)
- Height: 9.5 mm (0.37 inch)
- Weight: 112 grams (0.25 pounds)
- Acoustic (Idle): 1.7 Bel
- Acoustic (Min performance and volume): 1.9 Bel
- Acoustic (Max performance and volume): 1.9 Bel
- Required Power For Spinup: 500 mA
- Power Required (Seek): 2.5 W
- Power Required (Idle): 2.0 W
- Power Required (Standby): 0.23 W
- Manufacturer: Western Digital Corporation
Western Digital WD400UE Hard Drives:
- WD400UE-22HCT0, DCM HCNTJHNH, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00HCT0, DCM HCHTJBFB, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00HCT0, DCM HYNTJHFB, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-22HCT0, DCM HCHTJHNH, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-22HCT0, DCM HOHTJHFH, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00KVT0, DCM HCAJANB, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00KVT0, DCM HCTJAN, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00HCT0, DCM HCNTJHNH, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00HCT0, DCM HCNTJHNB, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-00HCT0, DCM HYHTJBFH, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-22HCT0, DCM HCHTJBNB, Western Digital 40GB IDE 2.5″ Hard Drive
- WD400UE-22HCT0, DCM HCHTJHFB, Western Digital 40GB IDE 2.5″ Hard Drive
Western Digital WD400UE 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 WD400UE Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Western Digital WD400UE 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:
2060-701401-002, 2060-701401-001, 2060-701285-001, 2060-701281-001, 2060-701281-002, etc.
Multiple Model Number revisions:
WD400UE-00KVT0, WD400UE-00HCT0, WD400UE-22HCT0, etc.