OCIA.net takes a look at the Thermalright HR-09 Mosfet Cooler in their latest review.

With the latest designs, many motherboard manufacturers have started producing boards with chipset/mosfet heatsinks onboard, linked together with heatpipes. The HR-09 mosfet cooler was designed for those users with motherboards that either have an ineffective stock chipset/mosfet cooling system, or that don't have one at all.

Thermalright HR-09 Mosfet Cooler Review