CPU cooler on GPU, Noctua NH-D15 on 1080ti Aorus GTX Nvidia Geforce Insane Xtreme Cool and Quiet DIY temperature drop from 77 degreese to 45 degreese #Noctua #NH-D15 #Nvidia #Geforce #GTX #1080 #1080TI #Xtreme #cooling #quiet #cool