This cooler has three parts: the main heatsink, the power circuitry heatsink and the cover. The main heatsink has copper base and cools only the core. It also has heatpipes for improved heat dissipation. Both heatsinks are under the same cover that has a fan in the middle. The fan is low-speed, so the cooler is nearly silent.

This is a similar cooler, but it has no power circuitry heatsink. This fan is also a low-speed one, so the cooler is also nearly silent.

A Zalmanesque round cooler with heatpipes interconnecting heatsink's sides and bottom and a massive fan in the middle. Only the core is cooled. The fan is silent, so the cooler is very nice in this regard.

This cooler is very similar to Gainward's, just the cover has a slightly different shape.

Zotac provides a turbine that drives air through the heatsink, cooling both the core and the memory chips. Thanks to the low rotation speed, the cooler is quiet.