I have the MSI N460GTX TWIN FROZR II SOC on a amd 2+ mobo and a 550w psu works good. Now the gpu is oc to 925 core and my cpu a p2 X3 oc at 3.5GHz also I play some games NFS pro street, DiRT 2 and run AutoCADD as well as some audio and video editing for my use and do this all at 1080 hd.
Hope...