Originally Posted by pakotlar
It's not a problem if the card is ~50-70 dollars.
True but you need a board with 2 x PCI-e slots. And P35 / p965 will drop to 4x/8x. P45 to 8x/8x with 2 x PCI-e cards in. Also, you need enough power supply and there is extra heat. Sure it's $50-70 for the card but you might need more hardware than just another GPU to pull it off.