Digicom PC Card USB 2.0 vs HP 517721-B21 interface cards/adapter Internal

Comparison of PC Card USB 2.0, 517721-B21

14 specifications	A Digicom PC Card USB 2.0View product	B HP 517721-B21 interface cards/adapter Internal Model 517721-B21 View product
Ports & interfaces1 differ
Host interfaceDiffers	PC Card 16-bit	PCI
USB 2.0 ports quantityKnown for one	4	—Unknown — not stated by the source
Designidentical
InternalKnown for one	—Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	36.5 mm
DepthKnown for one	—Unknown — not stated by the source	222.2 mm
HeightKnown for one	—Unknown — not stated by the source	287 mm
WeightKnown for one	—Unknown — not stated by the source	680 g
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	36.5 x 222.2 x 287 mm
Size (imperial)Known for one	—Unknown — not stated by the source	3.66 cm (1.44")
Data transfer rateKnown for one	480 Mbit/s	—Unknown — not stated by the source
Ports quantityKnown for one	4	—Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows XP, 2000, ME, 98SE	—Unknown — not stated by the source
Featuresidentical
Plug and PlayKnown for one	Yes	—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.