ModelBrandG.SKILLSeriesRipjaws X SeriesModelF3-2400C11D-8GXMType240-Pin DDR3 SDRAMTech SpecCapacity8GB (2 x 4GB)SpeedDDR3 2400 (PC3 19200)Cas Latency11Timing11-13-13-31Voltage1.65VECCNoBuffered/RegisteredUnbufferedMulti-channel KitDual Channel KitFeaturesDesigned for 3rd Generation Intel Core Processors and Z77 platform.Intel XMP 1.3 Ready for 3rd Generation Intel Core Processors.Recommended Intel Core i7-3770K processors & Core i5-3570K processors for best performance.