Western Digital WD2500JB Special Edition EIDE Hard Drive


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Western Digital Special Edition EIDE Hard Drive WD2500JB Item Number: WDC-WD2500JB-FR-OE Manufacturer's Part Number: WD2500JB

Western Digital Caviar 250GB 7.2K Special Edition EIDE / PATA Hard Drive WD2500JB - Factory Recertified

Price:	$69.95
Condition:	Factory Refurbished - What does this mean?
Warranty:	1 Year - Reseller - What does this mean?

	Drive Summary
Capacity: 250GB Spindle Speed: 7,200RPM Interface Type: IDE / ATA (3.5") Disk Size: 3.5"x1.0" (Low Profile Hard Drive) Sustained Throughput (MBps): Average Seek Time (read/write ms): 8.9 / 10.9 Electrical Interface Speed: EIDE / Ultra ATA/100 - 100MBps On-Board Cache: 8MB

	Condition
Factory Refurbished - What does this mean?

	Warranty
1 Year - Reseller - What does this mean?

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Detailed Description

Western Digital Caviar 250GB 7.2K Special Edition EIDE / Ultra ATA/100 Hard Drive WD2500JB - Factory Recertified

Compatibility

Specifications

Performance Specifications
Average Seek ¹ - Read - Write	8.9 ms average 10.9 ms average
Track-to-Track Seek	2.0 ms average
Full Stroke Seek	21 ms average
Index Pulse Period	8.3 ms (nominal)
Average Latency	4.2 ms (nominal)
Rotational Speed	7200 RPM (nominal)
Buffer Size	8 MB
Data Transfer Rate (maximum) - Buffer to Host - Buffer to Disk	100 MB/s (Mode 5 Ultra ATA) 66.6 MB/s (Mode 4 Ultra ATA) 33.3 MB/s (Mode 2 Ultra ATA) 16.6 MB/s (Mode 4 PIO) 16.6 MB/s (Mode 2 multi-word DMA) 748 Mbits/s maximum


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Western Digital Special Edition EIDE Hard Drive WD2500JB