The PSU could handle the system before with the adapter, at full load, I just need to know if this will work without the adapter. I am trying to avoid having to spend much more money on the htpc, I need it for upgrading my computer, and that would be 3 weeks allowance right there. I have a friend that I see every sunday at church, he builds his own as well and has a lot of spare parts, I will ask and see if he has a psu or an adapter, but otherwise, I am gonna use this PSU, if the card will work with the adapter and this PSU, thats great, it would be nice to play games on it on our 37 inch flatscreen, otherwise, I can just use the po$ GeForce 6200LE I have laying around.