Corsair CMX16GX3M4A1600C9 XMS3 16GB (4x4GB) DDR3 1600 MHz (PC3 12800) Desktop Memory 1.5V Capacity: 16GB (4 x 4GB) Speed: 1600MHz CL9 Timing: 9-9-9-24 Pin Out: 240 Pin Voltage: 1.5V Latency: CAS 9 Lifetime Warranty. Memory Type: DDR3; Speed: 1600MHz