OCIA checks out the Zalman Passive Chipset Cooler in their latest review.
A system with high quality parts, a great heatsink/fan combo on your processor, RAM heat spreaders, RAMsinks on your video card as well as an aftermarket GPU cooler would seem ready for some serious overclocking. But if you are going for the absolute highest overclock possible, you may want to consider adding extra cooling to your Northbridge chipset. Yes, your Northbridge. All of the motherboards of today offer either passive or active cooling for the Northbridge chipset. While this stock method of cooling the Northbridge may be adequate for normal use, it can be a limiting factor when overclocking.Read more
