Western Digital Corp. WD4000AAJS hard drive specifications
WD Caviar Blue WD4000AAJS - hard drive - 400 GB - SATA-300
WD Caviar Blue16 native SATA hard drive features 16 MB cache for lightning-fast performance. This reliable drive is fast, but still delivers technologically advanced acoustics and cool operation.
Recommended software for Western Digital Corp. WD4000AAJS status and S.M.A.R.T. monitoring is ActiveSMART www.ariolic.com
Manufacturer
HDD Part Number
WD4000AAJS
Hard drive health monitoring software
ActiveSMART by Ariolic Software. Click to download ActiveSMART
General
Device Type
Hard drive - Internal hard drive
Width
4 in
Depth
5.8 in
Height
1 in
Weight
1.4 lbs
Hard Drive
Form Factor
Capacity
400 GB
Interface Type
Serial ATA-300
Buffer Size
8 MB
Compliant Standards
S.M.A.R.T.
Performance
Drive Transfer Rate
300 MBps
Seek Time
8.9 ms (average)
Track-to-Track Seek Time
2 ms
Average Latency
4.2 ms
Spindle Speed
7200 rpm
Reliability
Storage Hard Drive / Non-Recoverable Errors
1 per 10^15
Start / Stop Cycles
50,000
Storage Controller
Type
None
Expansion / Connectivity
Interfaces
1 x Serial ATA-300 - 7 pin Serial ATA
Compatible Bays
1 x Internal - 3.5" x 1/3H
Compatible Slots
x None
Miscellaneous
Compliant Standards
RoHS
Manufacturer Warranty
Service & Support
3 years warranty
Service & Support Details
Limited warranty - 3 years
Environmental Parameters
Min Operating Temperature
32 �F
Max Operating Temperature
140 �F
Humidity Range Operating
5 - 95%
Vibration Tolerance
0.75 g @ 20-300 Hz (operating) / 4 g @ 20-500 Hz (non-operating)
Sound Emission
28 dBA
0.0944