There are monitors on the market that can do this already. I currently have a Qnix 2560x1440 (Generic Korean) monitor that allows me to run a 1440p while i have the refresh rate overclocked to 120Hz via the Nvidia Control panel. Here is a link to the monitor that i use http://www.amazon.com/gp/product/B00BUI44US/ref=oh_details_o05_s00_i00?ie=UTF8&psc=1