In order to use Crossfire or SLI you need two graphics cards capable of running it and a capable power supply. For motherboard choices, you're limited based on budget and what you need in a system. Remember, prior to purchasing, check to make sure you have the correct RAM and ensure your CPU is supported.GIGABYTE GA-MA790GP-UD4H AM2+/AM2 AMD 790GX HDMI ATX AMD Motherboard
- A good choice unless you use RAID, which most home users don't need. $129GIGABYTE GA-MA780G-UD3H AM2+/AM2 AMD 780G HDMI ATX AMD Motherboard
- A good board with a slightly older chipset at a good price. $89ASRock AOD790GX/128M AM2+/AM2 AMD 790GX ATX AMD Motherboard
- This motherboard uses the same chipset as the first Gigabyte on this list, only at a lower price. ASRock boards are good, but their manuals aren't very user friendly. $99
Edited by DJBPace07, 09 May 2009 - 07:27 PM.