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.
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Manufacturer
HDD Part Number
WD204BA
Hard drive health monitoring software
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
0.0803