Conceptronic 2-ports eSATA PC Card vs StarTech.com 2 Port RS-422/RS-485 Serial PCI Card (DB9)

Comparison of 2-ports eSATA PC Card, 2 Port RS-422/RS-485 Serial PCI Card (DB9)

10 specifications	A Conceptronic 2-ports eSATA PC CardView product	B StarTech.com 2 Port RS-422/RS-485 Serial PCI Card (DB9)View product
Ports & interfaces1 differ
Host interfaceDiffers	CardBus	PCI
Serial ports quantityKnown for one	—Unknown — not stated by the source	2
Output interfaceKnown for one	eSATA	—Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	—Unknown — not stated by the source	190 g
Other features1 differ
Data transfer rateKnown for one	—Unknown — not stated by the source	0.921 Mbit/s
Connectivity technologyKnown for one	—Unknown — not stated by the source	Wired
Compatible operating systemsDiffers	Windows 2000/XP/Vista	Windows 9x/ME/NT 4/2000/XP/Server 2003 +, Linux, DOS
Mac compatibilityKnown for one	No	—Unknown — not stated by the source
Slot typeKnown for one	32-bit	—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.