Product comparison · 2 external hard drives

Freecom Mobile Drive Classic 320GB 2.5" USB 2.0 black vs Freecom MobileClassic 400GB

Key differences

HDD capacity
- Mobile Drive Classic 320GB 2.5" USB 2.0 black:320 GB
- MobileClassic 400GB:400 GB
Width
- Mobile Drive Classic 320GB 2.5" USB 2.0 black:139 mm
- MobileClassic 400GB:75 mm
Depth
- Mobile Drive Classic 320GB 2.5" USB 2.0 black:83 mm
- MobileClassic 400GB:128 mm
Height
- Mobile Drive Classic 320GB 2.5" USB 2.0 black:20 mm
- MobileClassic 400GB:12 mm
Weight
- Mobile Drive Classic 320GB 2.5" USB 2.0 black:200 g
- MobileClassic 400GB:300 g

Differences highlightedShow differences only

Comparison of Mobile Drive Classic 320GB 2.5" USB 2.0 black, MobileClassic 400GB
24 specifications	A Freecom Mobile Drive Classic 320GB 2.5" USB 2.0 black View product	B Freecom MobileClassic 400GB View product
Hard drive1 differ
HDD capacityDiffers	320 GB	400 GB
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Type	HDD	HDD
Storage drive buffer size	8 MB	8 MB
Storage drive average seek timeKnown for one	13 ms	Unknown — not stated by the source
Ports & interfacesidentical
USB connectorKnown for one	Unknown — not stated by the source	USB
USB versionKnown for one	Unknown — not stated by the source	2.0
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 65 °C
Weight & dimensions4 differ
WidthDiffers	139 mm	75 mm
DepthDiffers	83 mm	128 mm
HeightDiffers	20 mm	12 mm
WeightDiffers	200 g	300 g
Other features1 differ
Average latency	4.2 ms	4.2 ms
Internal	No	No
Mean time between failures (MTBF)	50000 h	50000 h
Minimum RAMKnown for one	Unknown — not stated by the source	64 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium-II 233MHz
Track to track seek time	3 ms	3 ms
USB requiredKnown for one	Unknown — not stated by the source	Yes
Compatible operating systemsDiffers	Windows 2000 / XP / Vista, Mac OS X v.10.3 +	Microsoft Windows 98SE/ME/2000/XP
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Featuresidentical
Product colourKnown for one	Black	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.