G.SKILL 16GB (4 x 4GB) Ripjaws V Series DDR4 PC4-21300 2666MHz Intel Z170 Platform / Intel X99 Platform Desktop Memory Model F4-2666C15Q-16GVR Series Ripjaws V Series Model F4-2666C15Q-16GVR Capacity 16GB (4 x 4GB) , Type 288-Pin DDR4 SDRAM , Speed DDR4 2666 (PC4 21300) , Cas Latency 15 Timing 15-15-15-35 , Voltage 1.2V , ECC No Buffered/Registered Unbuffered Multi-channel Kit Dual Channel Kit Chipset Intel Z170 Platform / Intel X99 Platform Color Red , Heat Spreader Yes