G.SKILL 64GB (4 x 16GB) Ripjaws V Series DDR4 PC4-21300 2666MHz for Intel Z170 Platform Desktop Memory Model F4-2666C15Q-64GVR Capacity 64GB (4 x 16GB), 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, Color Red Heat Spreader Yes