Samsung 320GB S2 Portable vs Samsung 640GB S2 Portable

Comparison of 320GB S2 Portable, 640GB S2 Portable

22 specifications	A Samsung 320GB S2 PortableView product	B Samsung 640GB S2 PortableView product
Hard drive1 differ
HDD capacityDiffers	320 GB	640 GB
HDD size	2.5"	2.5"
Type	HDD	HDD
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
Features1 differ
Product colourDiffers	Blue	Black
LED indicators	Yes	Yes
Poweridentical
Bus powered	USB	USB
Operational conditionsidentical
Operating temperature (T-T)	5 - 40 °C	5 - 40 °C
Storage temperature (T-T)	-20 - 65 °C	-20 - 65 °C
Weight & dimensionsidentical
Width	82 mm	82 mm
Depth	111 mm	111 mm
Height	17.5 mm	17.5 mm
WeightKnown for one	—Unknown — not stated by the source	170 g
Other featuresidentical
HDD transfer rate	480 Mbit/s	480 Mbit/s
Internal	No	No
Mac compatibility	Yes	Yes
Quick start guide	Yes	Yes
USB 2.0 ports quantity	1	1
USB cable	USB	USB
USB required	Yes	Yes
Compatible operating systems	Windows 2000 Pro/XP/Vista/7 Mac OS X 10.4.8 or later	Windows 2000 Pro/XP/Vista/7 Mac OS X 10.4.8 or later

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.