Western Digital Corp. WD400AB hard drive specifications

Western Digital Caviar EIDE 40 GB Hard Drive

Western Digital - the leader for high quality hard drives, introduces the Caviar - a high performance hard disk drive. This series uses Western Digital's proven technology and quality manufacturing to deliver outstanding performance and reliability. Western Digital hard drives are specifically designed and tested for flawless operation in your equipment. Its large capacity and high speed make it the perfect choice for demanding applications. The Caviar offers superior quality and reliability at an affordable price.

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Manufacturer
Western Digital Corp.

HDD Part Number
WD400AB


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
40 GB

Interface Type
ATA-100

Buffer Size
2 MB

Bytes per Sector
512

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

Performance

Drive Transfer Rate
100 MBps

Internal Data Rate
53 MBps

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

Track-to-Track Seek Time
2 ms

Average Latency
5 ms

Spindle Speed
5400 rpm

Reliability

Storage Hard Drive / Non-Recoverable Errors
1 per 10^14

Start / Stop Cycles
40,000

Storage Controller

Type
None

Expansion / Connectivity

Connections
1 x Storage - ATA-100 - 40 pin IDC

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

Compatible Slots
x None

Miscellaneous

Package Type
OEM

Power

Power Device
None

Manufacturer Warranty

Service & Support
1 year warranty

Service & Support Details
Limited warranty - Replacement - 1 year - Bring-in

Environmental Parameters

Min Operating Temperature
41 �F

Max Operating Temperature
131 �F

Humidity Range Operating
5 - 85%

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

Vibration Tolerance
0.25 g @ 5-500 Hz (operating) / 4 g @ 20-500 Hz (non-operating)

Sound Emission
32 dBA

Max Altitude Operating
9840 ft


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