Western Digital Corp. WD2500SD hard drive specifications

Western Digital Caviar RE SATA 250 GB Hard Drive

Life in a desktop computer doesn't compare to the extreme environment in an always-on, high duty cycle RAID system. What's needed is a drive engineered to thrive in a high-intensity RAID system while still offering traditional low cost-per-capacity desktop value. That drive is the WD RE. Designed and manufactured to enterprise-class standards, WD RE drives provide enhanced reliability in a 24x7, continuous duty cycle environment.

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Manufacturer
Western Digital Corp.

HDD Part Number
WD2500SD


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
1.3 lbs

Hard Drive

Form Factor

Capacity
250 GB

Interface Type
Serial ATA-150

Buffer Size
8 MB

Features
FlexPower, Data Lifeguard, Fluid Dynamic Bearing (FDB) motor

Performance

Drive Transfer Rate
150 MBps

Internal Data Rate
61 MBps

Seek Time
8.9 ms (average) / 21 ms (max)

Track-to-Track Seek Time
2 ms

Average Latency
4.2 ms

Spindle Speed
7200 rpm

Reliability

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

Storage Hard Drive / Non-Recoverable Errors
1 per 10^14

Storage Controller

Type
None

Expansion / Connectivity

Interfaces
1 x Serial ATA-150 - 7 pin Serial ATA

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

Compatible Slots
x None

Manufacturer Warranty

Service & Support
5 years warranty

Service & Support Details
Limited warranty - 5 years

Environmental Parameters

Min Operating Temperature
41 �F

Max Operating Temperature
131 �F

Humidity Range Operating
5 - 95%

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

Sound Emission
26 dBA


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