Western Digital Corp. WD450AA hard drive specifications

WD Caviar WD450AA - hard drive - 45 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.

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Manufacturer
Western Digital Corp.

HDD Part Number
WD450AA


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
45 GB

Interface Type
ATA-66

Buffer Size
2 MB

Bytes per Sector
512

Performance

Drive Transfer Rate
66.6 MBps

Internal Data Rate
37.5 MBps

Seek Time
9.5 ms (average) / 19 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)

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-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 - Parts and labor - 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) / 200 g @ 2ms half-sine pulse (non-operating)

Vibration Tolerance
0.75 g @ 20-300 Hz (operating) / 4 g @ 20-500 Hz (non-operating)

Sound Emission
43 dBA

Max Altitude Operating
9840 ft


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