8GB G.Skill DDR3 Sniper Series dual channel kit, 2x4GB modules, PC3-12800 with timings of 9-9-9-24. 1600MHz memory kit, 1.5V, designed for Intel P67 and P55, AMD 790 and 890 Series. With amazingly unique Sniper "gun" heatsinks. ModelBrandG.SKILLSeriesSniperModelF3-12800CL9D-8GBSRType240-Pin DDR3 SDRAMTech SpecCapacity8GB (2 x 4GB)SpeedDDR3 1600 (PC3 12800)Cas Latency9Timing9-9-9-24Voltage1.5VECCNoBuffered/RegisteredUnbufferedMulti-channel KitDual Channel KitHeat SpreaderYesFeaturesCompatible with Intel Z68/P67/P55 and AMD AM3/Llano/AM3+ platforms Optimized 1.5V low voltage Intel XMP certified