HomeWestern Digital 320GB IDE 7200RPM 8MB Caviar Blue (WD3200AAJB)
Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 8 MB
Average Latency 4.20 ms (nominal)
Start/Stop Cycles 50,000 minimum
Seek Times
Read Seek Time 8.9 ms
Write Seek Time 10.9 ms (average)
Track-To-Track Seek Time 2.0 ms (average)
Full Stroke Seek 21.0 ms (average)
Transfer Rates
Buffer To Disk 748 Mbits/s (Max)
Buffer to Host (EIDE)
Mode 5 Ultra ATA 100 MB/s
Mode 4 Ultra ATA 66.6 MB/s
Mode 2 Ultra ATA 33.3 MB/s
Mode 4 PIO 16.6 MB/s
Mode 2 multi-word DMA 16.6 MB/s
Physical Specifications
Formatted Capacity 320,072 MB
Capacity 320 GB
Interface EIDE 100 MB/s
User Sectors Per Drive 625,142,448
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