Corsair Vengeance Blue 4GB (2x2GB) DDR3 1600 MHz (PC3 12800) Desktop Memory 1.5V Overclocking Memory from Corsair - the Leader in Performance Memory Solutions Density: 4GB Kit (2x2GB) Speed: 1600MHz Timing: 9-9-9-24 Format: DIMM Pin Out: 240 Pin Voltage: 1.5V. Memory Type: DDR3; Speed: 1600MHz Lifetime Warranty