ASI Products > Storage > Hard Drive

SKU 37515

Western Digital HD WD2500JS Internal 3.5-inch 250GB SATA 3G 7200rpm 8MB 1-inch Height Bulk

WD Caviar SE SATA II hard drives combine 300 MB/s transfer rate and 8 MB cache for high performance. These reliable drives are lightning fast, but they still deliver technologically advanced acoustics and cool operation. All WD SATA II hard drives use the new cooler, faster, quieter technology that Toms Hardware Guide called very fast and nearly silent.

Vendor: Western Digital
MPN: WD2500JS
Key Features
Average Latency - 4.2ms
Average Seek Time - 8.9ms
Cache/Buffer Size - 8 MB
Compliant Standards - N/A
Dimensions WxDxH - 101.60 mm x 147 mm x 26.1 mm
Form Factor - 3.5"-internal
Formatted Capacity - 250 GB
Interface Type - SATA 3G
Mean Time Before Failure - N/A
PIN (SCSI Only) - N/A
Service & Support Details - 3 Years
Spindle Speed - 7200 RPM
Weight - 1.8 lbs
Detail Specifications
Fast -- Offers a 300 MB/s transfer rate - Three times faster than EIDE and twice as fast as SATA 1.
Cool -- Cool operation means the highest reliability even in high-heat environments such as personal video recorders. That is why these drives, the coolest on the market, are the drive of choice for the world leading consumer electronics manufacturers as well as the world leading PC makers.
Quiet -- We have minimized noise to levels virtually below the threshold of human hearing with our WhisperDrive technology. And to cut seek noise, our SoftSeek technology streamlines read/write seeking algorithms, resulting in the drive operating more efficiently when accessing and writing data.
FlexPower - connector technology that accepts power from either industry-standard or new SATA power supplies.
Hot plug support - allows swapping hard drives without having to power off the system.
Backplane compatibility - uses the SATA industry standard connector which includes alignment ears and 3-stage electrical mating sequence, designed specifically for backplanes and hot pluggability.
SATA latching connector - provides a secure connection between the hard drive and the cable by using a locking latch mechanism.
250 GB capacity.
Rotational Speed - 7,200 RPM (nominal).
Buffer Size - 8 MB.
Average Latency - 4.20 ms (nominal).
Contact Start/Stop Cycles - 50,000 minimum.
Read Seek Time (Average) - 8.9 ms.
Write Seek Time (Average) - 10.9 ms (average).
Track-To-Track Seek Time - 2.0 ms (average).
Buffer To Host (Serial ATA) - 1,200 Mbits/s (Max).
Buffer To Disk - 748 Mbits/s (Max).
Formatted Capacity - 250,059 MB.
Capacity - 250 GB.
Interface - SATA 3G.
Bytes Per Sector - 512.
User Sectors Per Drive - 488,397,168.
Servo Type - Embedded.
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