Corsair Vengeance 8GB (2x4GB) DDR3 1600 MHZ (PC3 12800) Desktop Memory (CMZ8GX3M2X1600C7R), Red Density: 8GB (2x4GB Module) Speed: 1600MHz Timing: 7-8-8-24 Voltage: 1.5V Format: DIMM Pin Out: 240 Pin Limited Lifetime Warranty. Memory Type: DDR3; Speed: 1600MHz