Product comparison · 2 internal hard drives

Fujitsu MHW2040AT 40GB vs Fujitsu MHZ2250BJ 250GB

Key differences

Differences highlightedShow differences only

Comparison of MHW2040AT 40GB, MHZ2250BJ 250GB
28 specifications	A Fujitsu MHW2040AT 40GB View product	B Fujitsu MHZ2250BJ 250GB View product
Features7 differ
HDD capacityDiffers	40 GB	250 GB
HDD speedDiffers	4200 RPM	7200 RPM
InterfaceDiffers	IDE/ATA	Serial ATA II
Storage drive buffer sizeDiffers	2 MB	16 MB
Read seek timeDiffers	12 ms	10.5 ms
Write seek timeDiffers	14 ms	12.5 ms
Average latencyDiffers	7.14 ms	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power5 differ
Power consumption (typical)Differs	4.5 W	5.5 W
Power consumption (standby)Differs	0.2 W	0.13 W
Power consumption (idle)Differs	0.1 W	0.80 W
Power consumption (read)Differs	1.6 W	2.3 W
Power consumption (write)Differs	1.6 W	2.3 W
Operational conditions2 differ
Operating vibrationDiffers	9.8m/s2 (1.0G)	9.8m/s2 (1.0G) [5?500Hz]
Non-operating vibrationDiffers	49m/s2 (5.0G)	49m/s2 (5.0G) [5?500Hz]
Operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	96 g	115 g

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.