Corsair CML32GX3M4A1600C10 Vengeance LP 32GB (4x8GB) DDR3 1600 MHZ (PC3 12800) Desktop Memory 1.5V Density: 32GB (4x8GB Module) Speed: 1600MHz ; Compatibility: AMD, Intel Z68, Z77 and X79 Processor platforms Timing: 10-10-10-27 Voltage: 1.5V Format: DIMM Pin Out: 240 Pin Limited Lifetime Warranty. Memory Type: DDR3; Speed: 1600MHz