Equip eSATA II Express Card/34 vs Equip USB 2.0-/FireWire IEEE 1394a PCI Interface Card

Comparison of eSATA II Express Card/34, USB 2.0-/FireWire IEEE 1394a PCI Interface Card

10 specifications	A Equip eSATA II Express Card/34View product	B Equip USB 2.0-/FireWire IEEE 1394a PCI Interface CardView product
Ports & interfaces1 differ
Host interfaceDiffers	ExpressCard	PCI
USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	5
Firewire (IEEE 1394) portsKnown for one	—Unknown — not stated by the source	3
Featuresidentical
ChipsetKnown for one	—Unknown — not stated by the source	VIA
Plug and Play	Yes	Yes
Other features1 differ
Connectivity technology	Wired	Wired
Compatible operating systemsDiffers	Windows NT, 2000, XP, Server 2003, Vista Mac OS 10.4	Windows 98 SE, 2000, ME, XP, Vista
Mac compatibilityKnown for one	—Unknown — not stated by the source	No
Ports quantityKnown for one	2	—Unknown — not stated by the source
Supported data transfer ratesKnown for one	3 Gbps	—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.