Product comparison · 2 external hard drives

Samsung 500GB S2 vs Samsung 640GB S2 Portable

Key differences

Differences highlightedShow differences only

Comparison of 500GB S2, 640GB S2 Portable
27 specifications	A Samsung 500GB S2 View product	B Samsung 640GB S2 Portable View product
Hard drive1 differ
HDD capacityDiffers	500 GB	640 GB
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
HDD size	2.5"	2.5"
Type	HDD	HDD
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
Ethernet LANKnown for one	No	Unknown — not stated by the source
FireWire 400Known for one	No	Unknown — not stated by the source
FireWire 800Known for one	No	Unknown — not stated by the source
Features1 differ
Product colourDiffers	Red	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 & dimensions2 differ
Width	82 mm	82 mm
DepthDiffers	17.5 mm	111 mm
HeightDiffers	111 mm	17.5 mm
Weight	170 g	170 g
Other features1 differ
HDD transfer rate	480 Mbit/s	480 Mbit/s
Internal	No	No
Mac compatibility	Yes	Yes
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
USB cable	USB	USB
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows, Mac	Windows 2000 Pro/XP/Vista/7 Mac OS X 10.4.8 or later
Quick start guideKnown for one	Unknown — not stated by the source	Yes

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.