Laptop Storage: 640GB And 500GB Drives From WD And Fujitsu

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Comparison Table And Test Setup

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Manufacturer Fujitsu Western Digital
Model MJA2500CH Scorpio Blue WD6400BEVT
Form Factor 2.5" (9.5 mm) 2.5" (9.5 mm)
Capacity 500GB 640GB
Spindle Speed 5,400 RPM 5,400 RPM
Other Capacities 80, 250 gigabytes 80, 120, 160, 250, 320, 400, 750, 1000 gigabytes
Platters 2 2
Cache 8MB 8MB
NCQ Yes Yes
Interface SATA/300 SATA/300
operating Temperature 5-55°C 0-60°C
Specified Idle Power 0.6W 0.85W
Measured Idle Power 0.7W 0.7W
Operating Shock (2 ms, read) 350 G not specified
Warranty 3 years 3 years