HyperX 8GB Kit (2x4GB) 1600MHz DDR3 PC3-12800 CL9 DIMM XMP Desktop Memory, Black KHX16C9B1BK2/8X 8GB Kit (2x4GB Modules) DDR3 Desktop Memory HyperX black features a sleek black heat spreader for greater heat dissipation to optimize reliability Adds high performance for increased in-game FPS and an overall faster system HyperX black is Intel XMP ready, with XMP profiles built into the modules Non-ECC 1600MHz 240-pin XMP Certified Unbuffered DIMM Lifetime warranty, and free technical support