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