hello. im new here and this is pretty much my first post. i was just wondering,do i need watercooling if i am gonna run eyefinity 3 monitor set up on a single r9 390? im buildidng a new pc and this is what i got. i5 4590, 2x4gb ram, msi z97 pc mate mobo,evga 750 watt 80+b psu,240gb ssd 1tb hdd. do i need watercooling at all to run eyefinity? will it harm my gpu if i didnt? im not doing any oc on cpu or gpu btw just stock speed, pls tell me if im doing something wrong or am i good to go?