Corsair Vengeance 16GB (4x4GB)  DDR3 1600 MHz (PC3 12800) Desktop Memory Density: 16GB (4x4GB Module) Speed: 1600MHz Timing: 8-8-8-24 Type: DDR3 XMP: version 1.3 Format: DIMM Pin Out: 240 Pin Voltage: 1.5V