Samsung 640GB S2 Portable vs Verbatim 320GB Clon HDD

Comparison of 640GB S2 Portable, 320GB Clon HDD

25 specifications	A Samsung 640GB S2 PortableView product	B Verbatim 320GB Clon HDDView product
Hard drive1 differ
HDD capacityDiffers	640 GB	320 GB
HDD sizeKnown for one	2.5"	—Unknown — not stated by the source
Type	HDD	HDD
HDD speedKnown for one	—Unknown — not stated by the source	5400 RPM
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
Maximum data transfer rateKnown for one	—Unknown — not stated by the source	480 Mbit/s
Featuresidentical
Product colour	Black	Black
LED indicators	Yes	Yes
Poweridentical
Bus powered	USB	USB
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 40 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 65 °C	—Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	82 mm	—Unknown — not stated by the source
DepthKnown for one	111 mm	—Unknown — not stated by the source
HeightKnown for one	17.5 mm	—Unknown — not stated by the source
WeightDiffers	170 g	138 g
Other features1 differ
HDD transfer rateKnown for one	480 Mbit/s	—Unknown — not stated by the source
Internal	No	No
Mac compatibility	Yes	Yes
Quick start guideKnown for one	Yes	—Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
USB cableKnown for one	USB	—Unknown — not stated by the source
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows 2000 Pro/XP/Vista/7 Mac OS X 10.4.8 or later	Windows 2000/XP/Vista/7 Mac 9x/x 10.1 +
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	115.3 x 75.9 x 14.9 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.