your rig is defenately capable of producing over 60fps. the asus 144hz monitor is a great gaming option!also you have great o/c potential to furhter increase your performance!
it is as long as your hardware is capable of pushing fps beyond 60 ,to be able to gain of the higher hz of 144.(no image tearing even without vsync and smoother gameplay) else you should be happy just by moving windows on desktop really fluently
your rig is defenately capable of producing over 60fps. the asus 144hz monitor is a great gaming option!also you have great o/c potential to furhter increase your performance!