http://www.newegg.com/Product/Product.aspx?Item=N82E16813130770&cm_re=msi_gaming_5-_-13-130-770-_-ProductAgain, I spent hours trying to mod the drivers on windows 7 and 8 to support 6+ gpu's, windows 10 is like $100 and no matter how many rigs you have, you'll never have to buy it again. The first rig is always the most expensive because there is a pretty steep learning curve. Also, I initially bought a 1200w psu for like $220 and it runs all 7 480s pretty well, but you can get 2 700w-850w psu's for like $75 each and the connection adapter is only about $10 or so.