Whether you are wanting super cooling or a quieter unit, the multiple fan clip points allow the end user to select most any fan they want. As you could see from our ‘curiosity tests’, running the Ultra 90 without a fan is no more advisable than it is on any other actively cooled heatsink – so don’t. Aside from construction quality and several other very positive points we’ve noted, what I liked the best was ThermalRight’s getting back to basics and making this cooler fit onto the OEM socket lugs. Its refreshing on several levels to not have to worry about mainboard removal just to install a cooler and I applaud ThermalRight for doing this.
Check out the full article at Overclocker Cafe.