Quote Originally Posted by Chivalrous View Post
Hmm I wonder why it slows it down? I could always put the extra card in my other computer but I really thought the SLI would be badass. I need it for my third monitor but I don't have to have 3. I only use 2 for boxing really.
Because WoW (along with many other titles) is not optimized for SLI. Since you're probably running wow in windowed mode, you're definitely not getting any benefit from SLI.