post #11 of 11
660W is plenty for overclocking SLI GTX 560 Ti a lot or putting in a monster dual-GPU card, particularly since it's a Seasonic X660.

edit: these super enthusiast PSUs will just shut down if you put too high a load on them anyway. In general they should still be in spec even if you're overloading them, before they shut off, so it's not particularly dangerous except a bit for the power supply itself (under long term abuse). And anyway, as stated above, nothing you're looking at will overload a X660 anyway.
Edited by mikeaj - 7/25/11 at 4:11pm