Quote Originally Posted by CryptiK View Post
As it stands now it looks like the VRM is basically at its limit at stock clocks and voltage.
And yet the card can OV at 1.05V and OC at 900MHz (On air)
http://lab501.ro/placi-video/nvidia-...overclocking/7

The VRM implementation of GTX590 has a limit of ~1.05Volts (AIR) and it certainly is not at its limits at default settings of 0.932V