Sounds simple? It's not. With over two years of research and development behind it, the WD Raptor X is engineered to compromise nothing. At 10,000 RPM spin speed it delivers the killer speed of its illustrious parent, doubles the capacity to 150 GB, and provides enterprise-class reliability. This is the ultimate hard drive for PC performance enthusiasts everywhere.

Performance Specifications
Rotational Speed 10,000 RPM (nominal)
Buffer Size 16 MB
Average Latency 2.99 ms (nominal)
Start/Stop Cycles 20,000 minimum
Seek Times
Read Seek Time 4.6 ms
Write Seek Time 5.2 ms (average)
Track-To-Track Seek Time 0.4 ms (average)
Full Stroke Seek 10.2 ms (average)
Transfer Rates
Buffer To Host (Serial ATA) 1.5 Gb/s (Max)
Transfer Rate (Buffer To Disk) 84 MB/s (Sustained)
Physical Specifications
Formatted Capacity 150,039 MB
Capacity 150 GB
Interface SATA 1.5 Gb/s
User Sectors Per Drive 293,046,768
Physical Dimensions
English
Height 1.028 Inches (Max)
Length 5.787 Inches (Max)
Width 4.00 Inches (+/- 0.010 inch)
Weight 1.81 Pounds
Metric
Height 26.1 mm (Max)
Length 147 mm (Max)
Width 101.6 mm
Weight 0.822 kg
Environmental Specifications
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