Product comparison · 2 external hard drives

Freecom Mobile Drive 31987 external hard drive vs Freecom Mobile Drive 31988 external hard drive

Key differences

HDD capacity
- Mobile Drive 31987 external hard drive:250 GB
- Mobile Drive 31988 external hard drive:500 GB
USB cable
- Mobile Drive 31987 external hard drive:USB
- Mobile Drive 31988 external hard drive:Yes

Differences highlightedShow differences only

Comparison of 31987, 31988
24 specifications	A Freecom Mobile Drive 31987 external hard drive Model 31987 View product	B Freecom Mobile Drive 31988 external hard drive Model 31988 View product
Hard drive1 differ
HDD capacityDiffers	250 GB	500 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
Featuresidentical
Product colour	Silver	Silver
Poweridentical
Bus powered	USB	USB
Operational conditionsidentical
Operating temperature (T-T)	10 - 35 °C	10 - 35 °C
Storage temperature (T-T)	-20 - 70 °C	-20 - 70 °C
Weight & dimensionsidentical
Width	135 mm	135 mm
Depth	80 mm	80 mm
Height	17.6 mm	17.6 mm
Weight	175 g	175 g
Other features2 differ
Interface typeKnown for one	USB 2.0	Unknown — not stated by the source
Internal	No	No
Mac compatibility	Yes	Yes
Mean time between failures (MTBF)	50000 h	50000 h
Minimum RAM	256 MB	256 MB
Minimum processor	Pentium III / PowerBook G3/G4	Pentium III / PowerBook G3/G4
USB 2.0 ports quantity	1	1
USB cableDiffers	USB	Yes
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows XP/Vista Mac OS X 10.4 +	Windows XP/Vista, Mac OS X 10.4 +

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.