Patriot 8GB(2x4GB) Viper III DDR3 2133 (PC3-17000) CL11 Desktop Memory With Low Profile Red Heatsink- PVL38G213C1KR Viper 3 Red Low Profile 240-Pin NON-ECC UDIMM 1.5V PC3-17000 (2133MHz) Intended for all DDR3 platforms XMP 1.3 Viper Performance Memory 11-11-11-30 Viper Performance Memory