Corsair Memory Vengeance 16 Dual Channel Kit DDR3 1600 MHz 240-Pin DDR3 SDRAM CMZ16GX3M4A1600C9 16GB (4x4GB) DDR3 for AMD, Intel Dual processors and upcoming 2nd Generation Intel Core platforms.Memory Configuration Dual Channel Speed Rating PC3-12800 (1600MHz)SPD Speed 1333Mhz Tested Latency 9-9-9-24SPD Latency 9-9-9-24 Tested Voltage 1.5SPD Voltage 1.5 Vengeance heat spreader for styling and performance