The NA-HC7 chromax.black.swap radiator cap kit is an accessory for Noctua's award winning NH-U12A CPU coolers. The radiator can be customised using covers made of high-quality, black powder-coated aluminium and interchangeable inserts in black, white, red, blue, green and yellow. Thanks to the foolproof assembly, it takes only a few minutes to change the appearance of an NH-U12A, without even having to remove the cooler from the CPU. Together with the chromax.black.swap edition of the NF-A12x25 fan, the NA-HC7 covers open up endless ways of designing your own very special, unique NH-U12A, which looks just as great as it cools! Caution: The covers increase the overall height of the cooler by 3mm (from 158 to 161mm) and the width by 3 mm (from 125 to 128mm). Please make sure that your case has sufficient space and that the covers do not come into contact with other components such as PCIe cards.