Kingston Technology USB 2.0 Card Reader + 4GB SD vs Kingston Technology USB 2.0 Card reader + 8GB SDHC

Comparison of USB 2.0 Card Reader + 4GB SD, USB 2.0 Card reader + 8GB SDHC

14 specifications	A Kingston Technology USB 2.0 Card Reader + 4GB SDView product	B Kingston Technology USB 2.0 Card reader + 8GB SDHCView product
Performanceidentical
Compatible memory cards	microSDHC, MMC, MS PRO Duo, MS Pro-HG, SD, SDHC	microSDHC, MMC, MS PRO Duo, MS Pro-HG, SD, SDHC
Internal	No	No
Data transfer rateKnown for one	480 Mbit/s	—Unknown — not stated by the source
Product colour	Black	Black
Plug and Play	Yes	Yes
Ports & interfacesidentical
Interface	USB 2.0	USB 2.0
SIM card support	No	No
Weight & dimensionsidentical
Weight	18.9 g	18.9 g
Packaging content1 differ
Included flash card sizeDiffers	4096 MB	8192 MB
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-20 - 70 °C	-20 - 70 °C
System requirementsidentical
Compatible operating systems	Windows 7, Vista (SP1, SP2), XP (SP1, SP2, SP3), 2000 (SP4) Mac OS 10.3.x + Linux 2.6.x +	Windows 7, Vista (SP1, SP2), XP (SP1, SP2, SP3), 2000 (SP4) Mac OS 10.3.x + Linux 2.6.x +
Other featuresidentical
Dimensions (WxDxH)	62.15 x 29.40 x 16.40 mm	62.15 x 29.40 x 16.40 mm
Technical detailsidentical
USB powered	Yes	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.