Corsair Vengeance Pro 32GB (4x8GB) DDR3 1866 MHz (PC3 15000) Desktop Density: 32GB (4x8GB) Speed: 1866MHz Tested Latency: 9-10-9-27 Voltage: 1.5V Format: DIMM Pin Out: 240 Pin Intel XMP 1.3. Memory Type: DDR3; Speed: 1866MHz Limited Lifetime Warranty