Chieftec CRD-151 3.5" 15in1 Multi Card Reader vs Chieftec CRD-501D card reader USB 2.0 Black

Comparison of CRD-151 3.5" 15in1 Multi Card Reader, CRD-501D

15 specifications	A Chieftec CRD-151 3.5" 15in1 Multi Card ReaderView product	B Chieftec CRD-501D card reader USB 2.0 Black Model CRD-501D View product
Performanceidentical
Data transfer rateKnown for one	—Unknown — not stated by the source	480 Mbit/s
Product colourKnown for one	—Unknown — not stated by the source	Black
Compatible memory cardsKnown for one	MS Duo	—Unknown — not stated by the source
Ports & interfacesidentical
InterfaceKnown for one	—Unknown — not stated by the source	USB 2.0
SIM card supportKnown for one	—Unknown — not stated by the source	No
I/O portsKnown for one	2x USB 2.0	—Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	—Unknown — not stated by the source	101 mm
HeightKnown for one	—Unknown — not stated by the source	25 mm
WeightDiffers	840 g	270 g
System requirements1 differ
Compatible operating systemsDiffers	Windows98/98SE/ME/2000/XP, Mac OS 9.x, Linux 2.4	Windows98/98SE/ME/2000/XP/Vista Mac OS 9.x Linux 2.4
Other featuresidentical
Number of slotsKnown for one	—Unknown — not stated by the source	4
Dimensions (WxDxH)Known for one	103 x 101 x 25 mm	—Unknown — not stated by the source
Technical detailsidentical
USB poweredKnown for one	—Unknown — not stated by the source	Yes
Data transmissionidentical
Read speedKnown for one	480 MB/s	—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.