Chieftec CRD-501D card reader USB 2.0 Black vs Kingston Technology USB 2.0 Card Reader + 4GB SD

Comparison of CRD-501D, USB 2.0 Card Reader + 4GB SD

17 specifications	A Chieftec CRD-501D card reader USB 2.0 Black Model CRD-501D View product	B Kingston Technology USB 2.0 Card Reader + 4GB SDView product
Performanceidentical
Compatible memory cardsKnown for one	—Unknown — not stated by the source	microSDHC, MMC, MS PRO Duo, MS Pro-HG, SD, SDHC
InternalKnown for one	—Unknown — not stated by the source	No
Data transfer rate	480 Mbit/s	480 Mbit/s
Product colour	Black	Black
Plug and Play	Yes	Yes
Ports & interfacesidentical
Interface	USB 2.0	USB 2.0
SIM card support	No	No
Weight & dimensions1 differ
WeightDiffers	270 g	18.9 g
WidthKnown for one	101 mm	—Unknown — not stated by the source
HeightKnown for one	25 mm	—Unknown — not stated by the source
Packaging contentidentical
Included flash card sizeKnown for one	—Unknown — not stated by the source	4096 MB
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	-20 - 70 °C
System requirements1 differ
Compatible operating systemsDiffers	Windows98/98SE/ME/2000/XP/Vista Mac OS 9.x Linux 2.4	Windows 7, Vista (SP1, SP2), XP (SP1, SP2, SP3), 2000 (SP4) Mac OS 10.3.x + Linux 2.6.x +
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	62.15 x 29.40 x 16.40 mm
Number of slotsKnown for one	4	—Unknown — not stated by the source
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.