Ive had the EVGA GeForce GTX 550 Ti for a while and I recently decided to go for some overclocking. I was able to bring it all the way up to 1000Mhz with no artifacts in EVGA OC scanner (I read in some other places that anything higher on my card is kind of sketchy, let me know if you think going higher would be alright). My question is if I am going that high (from the stock 951MHz clock), should I be changing the voltage at all? Does it change itself according to the clock? I don't know that much about voltage. When i clicked the Adjust Voltage button on PrecisionX, it shows me being at 1100mV. That seems a little high. Should I bring it down? What should I be at if I want to keep my OC at 1000MHz? Thanks for your help
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My pair of 550Ti's are at 1125mv from factory; ruuning 1Ghz and I have no issues even in SLi.
If the cards run stable at the current voltage, there is no need to change it. If you keep pushing it further and get artifacts, then you should raise the voltage to stabilize it.