Western Digital WD2500JB Special Edition EIDE / ATA / PATA Hard Disk Drive

Capacity:250GB
Speed:7.2K RPM
Interface Types:IDE ATA 3.5in
Form Factor:3.5" LFF Hard Drive
Electrical Interface:EIDE Ultra ATA100 100MBps
RAM:8MB

Description

Western Digital Caviar 250GB 7.2K Special Edition EIDE Hard Drive WD2500JB - New Pull

Western Digital Caviar 250GB 7.2K Special Edition EIDE Hard Drive WD2500JB - New Pull

Specifications

Physical Specifications
Formatted Capacity 1250,059 MB
Interface40-pin EIDE
Actuator TypeRotary Voice Coil
Number of Disks3
Data Surfaces6
Number of Heads6
Bytes Per Sector512
User Sectors Per Drive488,397,168
Servo TypeEmbedded


Performance Specifications
Average Seek 1
- Read
- Write
8.9 ms average
10.9 ms average
Track-to-Track Seek2.0 ms average
Full Stroke Seek 21 ms average
Index Pulse Period8.3 ms (nominal)
Average Latency4.2 ms (nominal)
Rotational Speed7200 RPM (nominal)
Buffer Size8 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

Click here to view the manufacturer's item description/brochure

Weight: 1.8 lb

Warranty: 1 Year DiscTech

Condition

New Pull

Warranty

1 Year DiscTech Warranty