Vengeance Performance Memory Module 8GB (2x4GB) DDR3 1866MHz CL9 Unbuffered DIMM Memory for AMD Intel Dual Channel DDR3 and upcoming 2nd Generation Intel Core platforms.Key Features 1.5V8GB (2x4GB) DDR3 for AMD Intel Dual processors and upcoming 2nd Generation Intel Core platforms 1866MHz 9-9-9-24 latency Vengeance heat spreader for styling and performance Intel XMP (Extreme Memory Profile) Support Limited Lifetime Warranty