It can be done, but the easier way is to just buy a power splitter. Something like http://www.newegg.com/Product/Product.asp?Item=N82E16812189003 or http://www.newegg.com/Product/Product.asp?Item=N82E16812123119 or http://www.newegg.com/Product/Product.asp?Item=N82E16812123120 depending on your needs.