The PATRIOT Viper 3 Series Black Mamba 8GB Desktop Memory Module Kit optimizes your computing experience. This kit features two 240-pin, 4GB memory modules for a total 8GB of DDR3 memory to deliver a smoother running system without lag. Its 1600MHz speed ensures optimum performance when running many applications. This kit offers easy installation, simply plug the modules in to your motherboard"s UDIMM socket. Order the PATRIOT 8GB Desktop Memory Module Kit today.