Verbatim 2.5'' Portable USB Hard Drive 160GB vs Verbatim SmartDisk FireFly 20GB

Comparison of 2.5'' Portable USB Hard Drive 160GB, SmartDisk FireFly 20GB

17 specifications	A Verbatim 2.5'' Portable USB Hard Drive 160GBView product	B Verbatim SmartDisk FireFly 20GBView product
Hard drive1 differ
HDD capacityDiffers	160 GB	20 GB
HDD speedKnown for one	5400 RPM	—Unknown — not stated by the source
HDD sizeKnown for one	2.5"	—Unknown — not stated by the source
Type	HDD	HDD
Featuresidentical
Product colourKnown for one	Silver	—Unknown — not stated by the source
Poweridentical
Bus powered	USB	USB
Weight & dimensionsidentical
WidthKnown for one	129 mm	—Unknown — not stated by the source
DepthKnown for one	84 mm	—Unknown — not stated by the source
HeightKnown for one	18 mm	—Unknown — not stated by the source
WeightKnown for one	—Unknown — not stated by the source	93 g
Packaging dataidentical
Bundled softwareKnown for one	CMS BounceBack Express Backup	—Unknown — not stated by the source
Other features1 differ
Internal	No	No
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows 98SE/Me/2000/XP/Vista Mac OS 8.6 Mac OS 9.x Mac OS X 10.1 +	Windows 98SE, ME, 2000, XP. Mac OS 8.6 – 9.x, Mac OS X 10.1.
Integrated USB cableKnown for one	—Unknown — not stated by the source	Yes
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	103 x 63 x 13 mm

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.