Corsair Vengeance Pro Series 32GB (4 x 8GB) DDR3 2666MHz C12 Desktop Memory Density: 32GB (4x8GB) Speed: 2666MHz Tested Latency: 12-13-13-35 Voltage: 1.65V Pin Out: 240 Pin Includes Vengeance Airflow Heat spreader: Anodized Aluminum. Memory Type: DDR3; Speed: 2666MHz Warranty: Limited Lifetime