Product comparison · 2 internal hard drives

Fujitsu FUJ:CP170946-XX internal hard drive vs Seagate Momentus ST640LM020 internal hard drive

8specifications compared
3differ
5identical
26known for one product only

Key differences

HDD capacity
- FUJ:CP170946-XX internal hard drive:250 GB
- Momentus ST640LM020 internal hard drive:640 GB
Interface
- FUJ:CP170946-XX internal hard drive:Serial ATA
- Momentus ST640LM020 internal hard drive:Serial ATA II
Operating temperature (T-T)
- FUJ:CP170946-XX internal hard drive:0 - 60 °C
- Momentus ST640LM020 internal hard drive:5 - 55 °C

Side by side

Differences highlightedShow differences only

Comparison of FUJ:CP170946-XX, ST640LM020
34 specifications	A Fujitsu FUJ:CP170946-XX internal hard drive Model FUJ:CP170946-XX View product	B Seagate Momentus ST640LM020 internal hard drive Model ST640LM020 View product
Features2 differ
HDD capacityDiffers	250 GB	640 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Type	HDD	HDD
Component for	Laptop	Laptop
Access timeKnown for one	Unknown — not stated by the source	4 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.7 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.3 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.3 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	1.5 G
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	750 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.3 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	95 g	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Compatible productsKnown for one	Lifebook S 751 (UNTIL DSBW021845/DSCA008041)	Unknown — not stated by the source

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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