WESTERN DIGITAL 40GB CAVIAR EIDE 3.5HH 10MS 7200RPM IN

EIDE Hard Drives
40 GB, 100 MB/s, 2 MB Cache, 7200 RPM

WD Caviar hard drives are ideal for mainstream desktop personal computers.

Fast 7200 RPM, 2 MB cache buffer
EIDE (Ultra ATA/100) - Up to 100 MB/s burst transfer rates.
Quiet - Fluid Dynamic Bearing (FDB) technology - Less friction means more reliability; less heat, vibration, and noise.

• Performance Specifications
• Rotational Speed 7,200 RPM (nominal)
• Buffer Size 2 MB
• Average Latency 4.20 ms (nominal)
• Contact Start/Stop Cycles 40,000 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 400 Mbits/s (Max)
• Buffer to Host (EIDE)
• Mode 5 Ultra ATA 100.0 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 40,021 MB
• Capacity 40 GB
• Interface EIDE 100 MB/s
• User Sectors Per Drive 78,165,360
• Physical Dimensions
• English
• Height 1.028 Inches (Max)
• Length 5.787 Inches (Max)
• Width 4.00 Inches (+/- 0.010 inch)
• Weight 1.32 Pounds
• Metric
• Height 26.1 mm (Max)
• Length 147 mm (Max)
• Width 101.6 mm
• Weight 0.6 kg