Mushkin Mushkin 997015 DDR3 UDIMM (2x4GB) 8GB PC3-17000 10-11-10-28 FROSTBYTE 1.5V 997015 Dual Channel Kit - Engineered for dual-channel architecture. Enhanced Frequency - This product has been programmed to operate at the ideal frequency for your system when properly installed. Enhanced Timings - This product has been programmed for timings that offer improved performance when properly installed. FrostByte Heatsink - This product is equipped with the Frostbyte Heatsink. Hand-Tested - This product has been tested by hand for quality assurance.