Product comparison · 2 internal hard drives

Fujitsu MHY2 BS 40 GB vs Samsung HD642JJ + 20PK Kit

21specifications compared
17differ
4identical
17known for one product only

Key differences

HDD capacity
- MHY2 BS 40 GB:40 GB
- HD642JJ + 20PK Kit:640 GB
HDD speed
- MHY2 BS 40 GB:5400 RPM
- HD642JJ + 20PK Kit:7200 RPM
HDD size
- MHY2 BS 40 GB:2.5"
- HD642JJ + 20PK Kit:3.5"
Interface
- MHY2 BS 40 GB:Serial ATA
- HD642JJ + 20PK Kit:Serial ATA II
Storage drive buffer size
- MHY2 BS 40 GB:8 MB
- HD642JJ + 20PK Kit:16 MB
Average latency
- MHY2 BS 40 GB:5.56 ms
- HD642JJ + 20PK Kit:4.17 ms
Power consumption (standby)
- MHY2 BS 40 GB:1.13 W
- HD642JJ + 20PK Kit:1.18 W
Operating voltage
- MHY2 BS 40 GB:5 V
- HD642JJ + 20PK Kit:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of MHY2 BS 40 GB, HD642JJ + 20PK Kit
38 specifications	A Fujitsu MHY2 BS 40 GB View product	B Samsung HD642JJ + 20PK Kit View product
Features6 differ
HDD capacityDiffers	40 GB	640 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	8 MB	16 MB
Read seek timeKnown for one	12 ms	Unknown — not stated by the source
Write seek timeKnown for one	14 ms	Unknown — not stated by the source
Average latencyDiffers	5.56 ms	4.17 ms
Average seek timeKnown for one	Unknown — not stated by the source	8.9 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power2 differ
Power consumption (standby)Differs	1.13 W	1.18 W
Power consumption (idle)Known for one	0.6 W	Unknown — not stated by the source
Power consumption (read)Known for one	1.9 W	Unknown — not stated by the source
Power consumption (write)Known for one	1.9 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Power consumption (typical)Known for one	Unknown — not stated by the source	8.56 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	1.18 W
Operational conditions5 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 70 °C
Operating relative humidity (H-H)Differs	8 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibrationKnown for one	9.8m/s2 (1.0G) [5Hz - 500Hz]	Unknown — not stated by the source
Non-operating vibrationKnown for one	49m/s2 (5.0G) [5Hz - 500Hz]	Unknown — not stated by the source
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Operating shockDiffers	325 G	70 G
Non-operating shockDiffers	900 G	300 G
Weight & dimensions4 differ
WidthDiffers	70 mm	101.5 mm
DepthDiffers	100 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	101 g	610 g
Other featuresidentical
Power requirementsKnown for one	+5V±5%	Unknown — not stated by the source
Drive device, transfer rateKnown for one	150 MB/s	Unknown — not stated by the source
Internal	Yes	Yes
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.5 x 147 x 26.1 mm
Drive ready timeKnown for one	Unknown — not stated by the source	12 s

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.

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