Western Digital Corp. WD740GD hard drive specifications

74GB Raptor Internal Serial ATA 10000RPM Hard Drive

WD Raptor is a new class of hard drive that matches SCSI reliability and performance while providing simplified connectivity for less cost than Parallel SCSI drives.

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Manufacturer
Western Digital Corp.

HDD Part Number
WD740GD

Related hard drive utilities

General

Device Type
Hard drive - Internal hard drive

Width
4 in

Depth
5.8 in

Height
1 in

Weight
1.5 lbs

Hard Drive

Form Factor

Capacity
74 GB

Interface Type
Serial ATA-150

Buffer Size
8 MB

Features
FlexPower

Performance

Drive Transfer Rate
150 MBps

Internal Data Rate
102 MBps

Seek Time
4.5 ms (average) / 10.2 ms (max)

Track-to-Track Seek Time
0.6 ms

Average Latency
3 ms

Spindle Speed
10000 rpm

Reliability

Mean time before failure
1,200,000 hour(s)

Start / Stop Cycles
20,000

Storage Controller

Type
None

Expansion / Connectivity

Interfaces
1 x Serial ATA-150

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

Environmental Parameters

Min Operating Temperature
41 �F

Max Operating Temperature
131 �F

Humidity Range Operating
5 - 95%

Vibration Tolerance
3 g @ 10-300 Hz (operating) / 5 g @ 10-300 Hz (non-operating)

Sound Emission
32 dBA

Max Altitude Operating
9840 ft


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