"Today we grab a third card and see what happens when we move to a three way CrossFireX setup. Since we've already looked at the Sapphire card in full detail in our CrossFire review mentioned above, we'll be getting into the performance side of things fairly quickly today.
The first thing we need to do is just take a quick look at our testbed, if you've been following our HD 7970 series of content, though, you shouldn't see anything out of the ordinary. Once we've done that we'll move onto the performance of the setup and see how it compares to other HD 7970s we've looked at."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips