Patriot Viper 3 Black Mamba 16GB DDR3 1600 MHz CL9 UDIMM Memory Kit (2 x 8GB) 16GB (2 x 8GB) Capacity, 1600 MHz Clock Speed, PC3-12800, 240-Pin UDIMM, 1.5V, 9-9-9-24 Timings, Unbuffered, Non-ECC, XMP 1.3 for Automatic Overclocking, Heat Spreader, RoHS...