Brainboxes PX-146 interface cards/adapter vs Brainboxes VX-056 interface cards/adapter

Comparison of PX-146, VX-056

16 specifications	A Brainboxes PX-146 interface cards/adapter Model PX-146 View product	B Brainboxes VX-056 interface cards/adapter Model VX-056 View product
Ports & interfaces1 differ
Host interfaceDiffers	PCIe	ExpressCard
Parallel ports quantityKnown for one	1	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	20 mm	—Unknown — not stated by the source
DepthKnown for one	120 mm	—Unknown — not stated by the source
HeightKnown for one	80 mm	—Unknown — not stated by the source
WeightKnown for one	40 g	—Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	139 g	—Unknown — not stated by the source
Other features1 differ
Compatible operating systemsDiffers	Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7	Windows XP/Vista/7.
Package dimensions (WxDxH)Known for one	44 x 150 x 145 mm	—Unknown — not stated by the source
Data transfer rateKnown for one	—Unknown — not stated by the source	0.921 Mbit/s
Ports quantityKnown for one	—Unknown — not stated by the source	1
Power requirementsKnown for one	—Unknown — not stated by the source	3.3 V
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black, Brown
CertificationKnown for one	—Unknown — not stated by the source	WEEE, RoHS, METL, CE.

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.