Corsair Vengeance Pro Series 16GB (4 x 4GB) DDR3 DRAM 2666MHz C12 Desktop Memory 1.65V Density: 16GB (4x4GB) Speed: 2666MHz Tested Latency: 12-13-13-35 Voltage: 1.65V Pin Out: 240 Pin Includes Vengeance Airflow Warranty: Limited Lifetime