"OCZ Technology, an innovator in high performance memory, makes cooling and enhancing your memory easier than ever. Expanding on OCZ’s proprietary XTC (Xtreme Thermal Convection) heatspreader technology, the new XTC Cooler air-cools your modules, improving memory performance, stability, and longevity to allow enthusiasts to tweak their memory more freely due to superior active cooling.

The XTC Cooler attaches to your motherboard's DIMM socket retention levers. While the fans cool your system memory, glowing LED fans illuminate your memory subsystem." OCZTechnology.com