How are you? This is Alix Niu from Enermax Marketing Dept., we have come to know your question from Tom's hardware community and in order to answer your question, please kindly let us know the mainpower of EG651P-VE PSU you have, is 20 pin or 24 pin first? Also, please kindly let us know the serial number (S/N: xxxxxxxxxxx sticker above Label Marking) of EG651P-VE PSU you have for our follow up as well.
If your VGA Card is ASUS 6600 Series,the PSU can be supported.
Finally, looking forward to have your reply soon. Thanks and have a nice day.
BR
Alix
Marketing Dept.
Enermax Technology Corporation