Corsair Vengeance Red 8GB (2x4GB)  DDR3 1866 MHz (PC3 15000) Desktop Memory Vengeance Performance Memory Module 8GB (2x4GB) DDR3 1866MHz CL9 Unbuffered DIMM Memory for AMD. Intel Dual Channel DDR3, and 2nd Generation Intel Core processor platforms. Density: 8GB (2x4GB Module). Speed: 1866MHz. Voltage: 1.5V Timing: 9-10-9-27 Pin Out: 240 Pin Density: 8GB (2x4GB Module) Intel XMP (Extreme Memory Profile) Support Lifetime Warranty Speed: 1866MHz