Features radial aluminum heatsink with copper insertion ensures excellent heat dissipation ethcurren100x25mm fan with pwm function provides a perfect balance between airflow and noise screw and back plate installation provides a safe mounting application for intel socket 95w lga1156lga1155lga1151lga1150 core i7i5i3 pentium g technical spec overall dimension 975x975x60mm fan dimension 1060100x25mm net weight 450g bearing type hydro bearing rated voltage 12vdc operat