"So this means 6 heatpipes on each side. Looking at the base, they are double-sided heatpipes, except the ones from the outer sets of fins. All of them are sandwiched between two thick metal pieces, in a light "V"-shaped angle. The two black screws on each side are also meant to hang the fan in place."
FULL STORY @ NEOSEEKER (http://www.neoseeker.com/Articles/Hardware/Reviews/cm_v8/)