As in my previous post, I sent my GTX 580 to Harlequin and he confirmed it working in his mobo, therefore we swapped cards and I have his old GTX 480, and I'm selling it on. (need the cash tbh).
Requires PSU with 1x6 pin and 1x 8 pin PCI-E connectors (600w minimum, 42A on 12v rail).
Just better add that this card is untested in my mobo, but I'm assured by Harlequin that it works Perfectly.
Cheers for that mate, I've got a possible buyer, bringing his tower over to mine to test the card and make sure his PSU is sufficient for the job, the specs of the PSU suggest so.
So hopefully the card should be sold on Tuesday and then I just need to get rid of the water block for the GTX 580, should get £40 for it, eh ?