Western Digital Protege WD400EB 40GB 5.4K 3.5" EIDE Hard Drive
Interface : 40-pin EIDE
Actuator Type : Rotary Voice Coil
Bytes Per Sector : 512
Servo Type : Embedded
Average Seek 1 - Read - Write : 12.8 ms average 13.8 ms average
Track-to-Track Seek : 2.0 ms average
Full Stroke Seek : 28.5 ms average
Index Pulse Period : 8.3 ms (nominal)
Average Latency : 4.2 ms (nominal)
Rotational Speed : 5400 RPM (nominal)
Buffer Size : 2 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) 695 Mbits/s maximum


