Western Digital Corp. WD400JDDTL hard drive specifications

WD Caviar Blue WD400JD - hard drive - 40 GB - SATA-300

Cool-running, quiet operation, superior performance and industry-leading reliability make these next-generation WD Caviar Blue drives the perfect hard drives for desktop and enterprise storage.

Recommended software for Western Digital Corp. WD400JDDTL status and S.M.A.R.T. monitoring is ActiveSMART www.ariolic.com


Manufacturer
Western Digital Corp.

HDD Part Number
WD400JDDTL


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
1.5 lbs

Hard Drive

Form Factor

Capacity
40 GB

Interface Type
Serial ATA-300

Buffer Size
8 MB

Performance

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 10^14

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

Compatible Slots
x None

Manufacturer Warranty

Service & Support
3 years warranty

Service & Support Details
Limited warranty - 3 years

Environmental Parameters

Min Operating Temperature
41 �F

Max Operating Temperature
131 �F

Humidity Range Operating
5 - 95%

Vibration Tolerance
3 g @ 10-300 Hz (operating) / 4 g @ 20-300 Hz (non-operating)

Sound Emission
33 dBA


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