ARCTIC F12 Silent - Ultra-Quiet 120 mm Case Fan | Silent Cooler with Standard Case | almost inaudible | Push- or Pull Configuration possible > https://www.amazon.com/dp/B0119T0D4I?ref=yo_pop_ma_swf > I have run it for over 100hrs at 14.2vdc with no problem. You could always but a diode in series to drop the voltage. 73 Eric WD6DBM