Vengeance Performance Memory modules, 16GB (4x4GB) DDR3 1866MHz CL9 Unbuffered DIMM Memory with XMP 1.3 for AMD, Intel Dual and Quad Channel 2nd Generation Intel Core Processor platforms. Every Vengeance memory module provides users with outstanding performance and high quality. Vengeance memory modules are built using carefully selected DRAM to allow excellent overclocking performance and rock solid stability. Compatible with AMD, Intel P67, Z68 and X79 platforms.