The Black Mamba Viper 3 8GB (2 x 4GB) DDR3 CL9 1600 MHz Memory Kit from Patriot comprises a set of two modules each of 4GB capacity with a total of 8GB memory. This memory module kit offers 1600 MHz speed at 1.5V and is XMP 1.3 ready. It utilizes a custom designed high-performance heat shield for heat dissipation. This kit provides cooling while offering clearance for large CPU coolers for overclockers and gamers. It is tested and qualified with Intel's and AMD's DDR3 compatible processors and chipsets.