Western Digital Corp. WD4000KD/20PK hard drive specifications

WD Caviar Blue WD4000KD - hard drive - 400 GB - SATA-150

WD Caviar Blue16 next-generation SATA hard drives feature a 16 MB cache for lightning-fast performance. Yes, these reliable drives are fast, but they still deliver technologically advanced acoustics and cool operation. Designed for high-performance computers, multimedia and gaming systems. A massive 16 MB cache makes these ultra-fast drives the perfect solution for the fully loaded PC with a fast processor. WD hard drives are designed to have the lowest power consumption of any high-capacity desktop-class hard drive which lowers the operating temperature for enhanced drive reliability. These highly reliable drives deliver technologically advanced acoustics. With its WhisperDrive and SoftSeek technologies, WD has minimized noise to levels virtually imperceptible to the human ear in home and business environments.

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Manufacturer
Western Digital Corp.

HDD Part Number
WD4000KD/20PK


Hard drive health monitoring software
ActiveSMART by Ariolic Software. Click to download ActiveSMART

General

Packaged Quantity
20

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-150

Buffer Size
16 MB

Compliant Standards
S.M.A.R.T.

Performance

Drive Transfer Rate
150 MBps

Internal Data Rate
93.5 MBps

Seek Time
8.9 ms (average) / 21 ms (max)

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-150 - 7 pin Serial ATA

Compatible Bays
1 x Internal - 3.5" x 1/3H

Compatible Slots
x None

Miscellaneous

Mounting Kit
Optional

Microsoft Certifications
Works with Windows Vista

Manufacturer Warranty

Service & Support
3 years warranty

Service & Support Details
Limited warranty - 3 years

Environmental Parameters

Humidity Range Operating
5 - 95%

Shock Tolerance
65 g @ 2ms half-sine pulse (operating) / 250 g @ 2ms half-sine pulse (non-operating)

Vibration Tolerance
0.75 g @ 20-300 Hz (operating) / 4 g @ 20-500 Hz (non-operating)

Sound Emission
28 dBA


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