Western Digital Corp. WD205AA hard drive specifications

WD Caviar hard drive - 20.5 GB - ATA-66

The award-winning WD Caviar family provides the best combination of performance, reliability and value for today's entry-level and mainstream desktop systems. WD Caviar Enhanced IDE (EIDE) hard drives offer Ultra ATA/66, 5400 RPM spindle speeds, low seek times, high capacity, a 512 or 2048 KB cache buffer, and up to 66.6 MB/s data transfer rates, all of which adds up to a fast data delivery system. And to protect your data, the Data Lifeguard is included, WD's exclusive automatic defect detection and repair technology that enables drives to actually fix themselves.

Recommended software for Western Digital Corp. WD205AA status and S.M.A.R.T. monitoring is ActiveSMART www.ariolic.com


Manufacturer
Western Digital Corp.

HDD Part Number
WD205AA


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
1.1 lbs

Hard Drive

Form Factor

Capacity
20.5 GB

Interface Type
ATA-66

Buffer Size
2 MB

Compliant Standards
224-bit Reed Solomon ECC

Performance

Drive Transfer Rate
66.6 MBps

Seek Time
11.5 ms (average) / 23 ms (max)

Track-to-Track Seek Time
2 ms

Average Latency
5.5 ms

Spindle Speed
5400 rpm

Reliability

Mean time before failure
500,000 hour(s)

Seek Errors
1 per 10^14

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

Software / System Requirements

OS Required
None

Manufacturer Warranty

Service & Support
1 year warranty

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

Environmental Parameters

Min Operating Temperature
41 �F

Max Operating Temperature
131 �F

Humidity Range Operating
5 - 85%

Max Altitude Operating
9840 ft


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