Corsair CML32GX3M4A1866C10 Vengeance LP 32GB (4 x 8GB) DDR3 1866 MHZ (PC3 15000) Desktop Memory 1.5V Density: 32GB (4x8GB) Speed: 1866MHz Timing: 10-11-10-30 Voltage: 1.5V Format: DIMM Pin Out: 240 Pin Limited Lifetime Warranty. Memory Type: DDR3; Speed: 1866MHz