Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2133MHz (PC4-17000) C13 Memory Kit - Black at Amazon.com
G.Skill F4-3200C16D-16GTZR Trident Z RGB Series 16 GB (8 GB x 2) DDR4 3200 MHz PC4-25600 CL16 Dual Channel Memory Kit - Black with Full Length RGB LED Light bar at Amazon.com
Kingston Technology 4 GB DIMM Memory 1066 MHz (PC3-8500) 240-Pin DDR3 SDRAM Single (Not a kit) KTD-XPS730A/4G at Amazon.com
Amazon.com: Customer reviews: G.Skill Ripjaws V Series 32GB (2 x 16GB) 288-Pin SDRAM (PC4 21300) DDR4 2666 CL15-15-15-35 1.20V Dual Channel Desktop Memory Model F4-2666C15D-32GVR
Kingston Technology 4 GB DIMM Memory 1066 MHz (PC3-8500) 240-Pin DDR3 SDRAM Single (Not a kit) KTD-XPS730A/4G at Amazon.com
Super Talent Project X DDR4-3733 16GB Memory Review - Tom's Hardware | Tom's Hardware