Corsair Vengeance LP Performance 8GB 2133MHz CL11 Unbuffered DIMM Memory 8 DDR3 2133 PC3 17000 Memory Modules 8GB (2x4GB) DDR3 2133MHz with headroom to allow overclocking 11-11-11-27 latency Vengeance LP heat spreader for styling and performance Intel XMP 1.3 (Extreme Memory Profile) Support Also compatible with Intel and AMD dual channel DDR3 Platforms, including 2nd-4th generation Intel Core i7 and i5 systems Limited Lifetime Warranty