Western Digital Corp. WD204BA hard drive specifications

WD Expert WD204BA - hard drive - 20.4 GB - ATA-66

Western Digital's Expert EIDE hard drives are the performance champions for advanced desktop personal computers. To protect data, the WD Expert series are provided with Data Lifeguard, the company's exclusive combination of hardware features and software utilities. Data Lifeguard incorporates features that guard your data as well as software tools that make installation, configuration and diagnostics simple and worry-free. It detects and repairs disk defects that may occur after extended use of a hard drive. Speed, performance and reliability are the key features of the WD Expert series.

Recommended software for Western Digital Corp. WD204BA status and S.M.A.R.T. monitoring is ActiveSMART www.ariolic.com


Manufacturer
Western Digital Corp.

HDD Part Number
WD204BA


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
5.7 in

Height
1 in

Weight
1.3 lbs

Hard Drive

Form Factor

Capacity
20.4 GB

Interface Type
ATA-66

Buffer Size
2 MB

Bytes per Sector
512

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

Performance

Drive Transfer Rate
66.6 MBps

Internal Data Rate
35.5 MBps

Seek Time
9 ms (average) / 15.5 ms (max)

Track-to-Track Seek Time
2.2 ms

Average Latency
4.2 ms

Spindle Speed
7200 rpm

Reliability

Mean time before failure
750,000 hour(s)

Storage Hard Drive / Non-Recoverable Errors
1 per 10^13

Start / Stop Cycles
40,000

Storage Controller

Type
None

Expansion / Connectivity

Connections
1 x Storage - ATA-66 - 40 pin IDC

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

Compatible Slots
x None

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
8 - 90%

Shock Tolerance
65 g @ 2ms half-sine pulse (operating) / 175 g @ 2ms half-sine pulse (non-operating)

Vibration Tolerance
0.5 g @ 5-300 Hz (operating) / 2 g @ 5-500 Hz (non-operating)

Sound Emission
38 dBA

Max Altitude Operating
9840 ft


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