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how on earth does having a second monitor affect temps?
Could buy a cheapo passive graphics card to run the second monitor off? Should keep temps on the 480 low.
There will be no problem with it. the people saying you will get high temp issues are speaking a load of rubbish. The card is designed to handle up to two monitors. if it was not there would only be one connection on the card for a monitor.
70c idle load of rubbish?
thats what ive done to keep the temps down on my 580 when not gaming ,got a very small 430 to run my second monitor