Kingston Technology MicroSD Reader + 4GB vs Kingston Technology USB microSDHC Reader, 16GB microSD

Comparison of MicroSD Reader + 4GB, USB microSDHC Reader, 16GB microSD

15 specifications	A Kingston Technology MicroSD Reader + 4GBView product	B Kingston Technology USB microSDHC Reader, 16GB microSDView product
Performanceidentical
Compatible memory cardsKnown for one	microSDHC, miniSD, SD, SDHC	—Unknown — not stated by the source
InternalKnown for one	No	—Unknown — not stated by the source
Data transfer rateKnown for one	480 Mbit/s	—Unknown — not stated by the source
Product colour	Black	Black
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Compatible productsKnown for one	—Unknown — not stated by the source	USB 2.0, 1.1
Weight & dimensionsidentical
WidthKnown for one	25 mm	—Unknown — not stated by the source
DepthKnown for one	12.1 mm	—Unknown — not stated by the source
HeightKnown for one	2.64 mm	—Unknown — not stated by the source
Packaging contentidentical
Included flash card sizeKnown for one	4096 MB	—Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	-25 - 85 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
System requirements1 differ
Compatible operating systemsDiffers	Windows Vista 3, 2000 SP4, XP (SP1, SP2) Mac OS 10.3.x + Linux 2.6 +	Windows 2000 SP4, WinXP (SP1, SP2) Mac OS 10.3.x Linux 2.6
Other featuresidentical
Minimum system requirementsKnown for one	USB	—Unknown — not stated by the source
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	24.99 x 12.14 x 2.64 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.