Corsair XMS3 12GB (3x4GB) DDR3 2000 MHz (PC3 16000) Desktop Memory (CMX12GX3M3A2000C9) Three 4GB modules for use in high performance Intel Core i7, i5 and i3 Dual Channel systems Outrageously fast 2000MHz performance using 12GB of memory with 9-10-9-27 latency at 1.65v Backed by Corsairs Lifetime Warranty and excellent customer support Ultra Stable Desktop Memory from Corsair  the Leader in Performance Memory Solutions Voltage: 1.65V Speed: 2000MHz Timing: 9-10-9-27 Density: 12GB (3x4GB Module) Pin Out: 240 Pin Limited Lifetime Warranty Unbuffered CL 9 DIMM Memory