Kingston Technology USB microSD Reader vs Kingston Technology USB microSD Reader (black)

Comparison of USB microSD Reader, USB microSD Reader (black)

10 specifications	A Kingston Technology USB microSD ReaderView product	B Kingston Technology USB microSD Reader (black)View product
Performanceidentical
Plug and Play	Yes	Yes
Product colourKnown for one	Black	—Unknown — not stated by the source
Weight & dimensionsidentical
Weight	3.8 g	3.8 g
Data transmissionidentical
Write speed	3.5 MB/s	3.5 MB/s
Read speed	13 MB/s	13 MB/s
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-40 - 85 °C
System requirements1 differ
Compatible operating systemsDiffers	Windows Vista 2 Windows 2000 SP3 and above, WinXP SP1 and above Mac OS 10.x and above	Windows 2000/ XP/ Vista Mac OS 10.x
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	32.89 x 15.3 x 7.66 mm
Ports & interfacesidentical
SIM card supportKnown for one	No	—Unknown — not stated by the source

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.