Mushkin Enhanced ECO2 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3L 1600 (PC3L 12800) Memory 997110E Brand Mushkin Enhanced, Series ECO2, Model 997110E Capacity 16GB (2 x 8GB), Type 240-Pin DDR3 SDRAM, Voltage 1.35V, Speed Spec DDR3L 1600 (PC3L 12800), Cas Latency 9, Buffered/Registered Unbuffered, Multi-channel Kit Dual Channel Kit, Timing 9-9-9-24 , Heat Spreader Yes, - Enhanced timings, this product has been programmed for timings that offer improved performance when properly installed. - Enhanced frequency, this product has been programmed to operate at the ideal frequency for your system when properly installed. - Hand- tested, this product has been tested by hand for quality assurance. - Extreme performance, unparalleled speeds to save time and money while transferring content rich data. - ECO heatsink, this product is equipped with the ECO Heatsink.