My Asus P5B MOBO doesn't support Crossfire. Do I need Crossfire support in order to use a dual GPU card like the HD5770 that installs into a single PCIe slot? My guess is that I do need Crossfire support but just wanted to be sure.
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First of all HD5770 is a single GPU card. If you are meaning HD5970 which is a dual GPU card it will run fine on a single PCIe slot board.
Here's a link to the card I was referring too. It takes up two slots so I assumed it was a dual GPU card? Anyway, thank you for the reply.