ok i am getting a new pc and i am wondering if i need high performance fans on my heat sink i am not planing on overclocking and the case i am getting nzxt switch 810 has 4 140 mm fans and according to a few reviews i read on newegg good airflow. so do i need high performance fans? Also the room the computer is going to be in is right above my garage it gets very cold in the winter and really hot in the summer.