Corsair Vengeance LPX 8GB (2x4GB) 4000MHz DDR4 DRAM C19 Memory Kit - Black (CMK8GX4M2B4000C19) Each Vengeance LPX module is built with a pure aluminum heat spreader for faster heat dissipation and cooler operation; and the eight-layer PCB helps manage heat and provides superior overclocking headroom. Available in multiple colors to match your motherboard, your components, or just your style Vengeance LPX is optimized and compatibility tested for the latest Intel 100 Series motherboards and offers higher frequencies, greater bandwidth, and lower power consumption. XMP 2.0 support for trouble-free automatic overclocking The Vengeance LPX module height is carefully designed to fit smaller spaces.