Also, can you define what you mean by "unlocked" the 580? - I ment unclocked
im using an XFX 1250W PSU, rest my specs r in the sig. My temps r pretty decent they never rly go over 70c, 75 at the very most. and stock settings is like 750mhz/1500, and core voltage is stock 1025. memory clock is stock 2004. I seem to be running fine now, I have no clue what happened im afraid it will happen again tho. cuz that shudnt be normal.
edit: havent tried single cards..not sure if sli makes cards work less hard(?) but when i do swap to 1 card in the past with the over-clock my temps go higher each then when i SLI