G.Skill Ripjaws V Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-21300) DDR4 2666 CL15-15-15-35 1.20V Dual Channel Desktop Memory Model F4-2666C15D-16GVR at Amazon.com
CORSAIR Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2400MHz C14 Memory Kit - Black (CMK16GX4M2A2400C14) at Amazon.com
Patriot Signature Line 8GB (2 x 4GB) 288-pin DDR4 PC4-17000 2133MHz Memory Module Kit PSD48G2133K at Amazon.com