Brainboxes Universal Dual Velocity RS422/485 & RS232 card vs Equip eSATA PCI Combo Card 1+1

Comparison of Universal Dual Velocity RS422/485 & RS232 card, eSATA PCI Combo Card 1+1

13 specifications	A Brainboxes Universal Dual Velocity RS422/485 & RS232 cardView product	B Equip eSATA PCI Combo Card 1+1View product
Ports & interfacesidentical
Host interface	PCI	PCI
Serial ports quantityKnown for one	2	—Unknown — not stated by the source
Featuresidentical
Plug and Play	Yes	Yes
ChipsetKnown for one	—Unknown — not stated by the source	Initio 1622
Other features1 differ
PlatformKnown for one	PC	—Unknown — not stated by the source
Connectivity technology	Wired	Wired
Compatible operating systemsDiffers	Windows 98/Me/NT/2000/XP/2003	Win98 SE, ME, 2000, XP, Server 2003, Vista
Mac compatibilityKnown for one	No	—Unknown — not stated by the source
Power requirementsKnown for one	3.3V; 5V	—Unknown — not stated by the source
Slot typeKnown for one	PCI 32/64-bit	—Unknown — not stated by the source
I/O portsKnown for one	1 x RS422/485 & 1 x RS232	—Unknown — not stated by the source
Ports quantityKnown for one	—Unknown — not stated by the source	2
Supported data transfer ratesKnown for one	—Unknown — not stated by the source	150 Mbps

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.