FrostyTech posted a review on the Gigabyte Volar GH-PSV21-FB Heatsink

The Gigabyte Volar heatsink looks cool because it looks different. Perched at an angle above the processor, the Volar's 120mm diameter smokey grey fan has rather large impeller blades that look as if they'll propel air into the cooling fins of its donut shape heatsink with quiet force.

Gigabyte Volar GH-PSV21-FB Heatsink Review