Dataram KKL53S4 DATARAM 16GB DDR4 PC4-2400 DIMM Memory RAM Compatible with ASUS ROG Strix Z270F Gaming
G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com