Product comparison · 2 internal hard drives

Fujitsu MHZ2250BJ 250GB vs Fujitsu MJA2400BH 400GB

Key differences

Differences highlightedShow differences only

Comparison of MHZ2250BJ 250GB, MJA2400BH 400GB
28 specifications	A Fujitsu MHZ2250BJ 250GB View product	B Fujitsu MJA2400BH 400GB View product
Features6 differ
HDD capacityDiffers	250 GB	400 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	16 MB	8 MB
Read seek timeDiffers	10.5 ms	12 ms
Write seek timeDiffers	12.5 ms	14 ms
Average latencyDiffers	4.17 ms	5.56 ms
Bytes per sector	512	512
Power4 differ
Power consumption (typical)Differs	5.5 W	5 W
Power consumption (standby)	0.13 W	0.13 W
Power consumption (idle)Differs	0.80 W	0.6 W
Power consumption (read)Differs	2.3 W	1.4 W
Power consumption (write)Differs	2.3 W	1.4 W
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating vibration	9.8m/s2 (1.0G) [5?500Hz]	9.8m/s2 (1.0G) [5?500Hz]
Non-operating vibration	49m/s2 (5.0G) [5?500Hz]	49m/s2 (5.0G) [5?500Hz]
Non-operating shock	900 G	900 G
Operating shockKnown for one	Unknown — not stated by the source	325 G
Weight & dimensions1 differ
Width	70 mm	70 mm
Depth	100 mm	100 mm
Height	9.5 mm	9.5 mm
WeightDiffers	115 g	101 g
Other featuresidentical
Dimensions (WxDxH)	70 x 100 x 9.5 mm	70 x 100 x 9.5 mm
Internal	Yes	Yes
USB powered	No	No

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.