“will this card work with express 2 motherboards. in short is it back word comp..?”
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Yes, just make sure you have space for it on your board and in your case. A PCI Express 2.0 x16 slot offers a "maximum theoretical bandwidth" of 8 GiB/s, (between the card and your processor) while a PCI Express 3.0 x16 slot reaches 16 GiB/s. For some applications you might notice a difference, but when they first designed the PCI-E system they made it inherently backward compatible. The card can connect and run on any of the PCI-E 1-2 or 3, with the newer generations having faster maximum bandwidths.
Sorry, there was a problem. Please try again later.It works perfectly fine in my Asus P8P67 Evo motherboard, which is PCIE 2.0. You'll lose some potential bandwidth but that's the least of your worries if you're plopping it in a 2.0 board.
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