Western Digital Corp. WD4000YS hard drive specifications
Western Digital Caviar RE2 Hard Drive (400GB 7200rpm, SATA II)
WD's RAID Edition hard drives are the world's most reliable server-class SATA drives in the market. With 1.2 million hours MTBF, 100% duty cycle 1.5 Gb/s SATA technology, and best-in-class vibration tolerance, WD RE2 drives offer the best combination of superior reliability, high capacity, and optimum performance for enterprise applications.
Recommended software for Western Digital Corp. WD4000YS status and S.M.A.R.T. monitoring is ActiveSMART www.ariolic.com
Manufacturer
HDD Part Number
WD4000YS
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
1.3 lbs
Hard Drive
Form Factor
Capacity
400 GB
Interface Type
Serial ATA-300
Buffer Size
16 MB
Features
Fluid Dynamic Bearing (FDB) motor, Native Command Queuing (NCQ), SecureConnect, FlexPower, Data Lifeguard, Rotary Acceleration Feed Forward (RAFF)
Compliant Standards
S.M.A.R.T.
Performance
Drive Transfer Rate
300 MBps
Internal Data Rate
70 MBps
Seek Time
8.7 ms (average) / 21 ms (max)
Track-to-Track Seek Time
2 ms
Average Latency
4.2 ms
Spindle Speed
7200 rpm
Reliability
Mean time before failure
1,200,000 hour(s)
Storage Hard Drive / Non-Recoverable Errors
1 per 10^14
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
Miscellaneous
Microsoft Certifications
Works with Windows Vista
Compliant Standards
RoHS
Manufacturer Warranty
Service & Support
5 years warranty
Service & Support Details
Limited warranty - 5 years
Environmental Parameters
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
0.0852