The Asus Lion Square heatsink is a cylindrical tower of nickel plated aluminum fins wrapped around a 92mm PWM fan suspended in the center of it all. From the outside only the erie blue glow of the Sunon Maglev fan is visible, its noise is muffled to moderately audible levels. One of the unique aspects of ASUS' Lion Square cooler is that it eschews standard 6mm diameter heatpipes for four chunky 8mm diameter units.
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