Well i can just about here mine run, and it keeps my QX9650@4GHz @30c idle and 36c underload. My 12tec Boreas keeps another QX9650 also @4Ghz 26c-28c idle and 32c underload. Both of these rigs run 14-16 hours a day and i have never had a single problem. Like i said in my other post, you can buy...