CMS 64GB (4X16GB) DDR4 2666MHz (PC4 21300) Non ECC DIMM Memory Upgrade for ASUS® ROG STRIX B550-F GAMING, ROG STRIX B550-XE GAMING (WI-FI), ROG STRIX B560-A GAMING WIFI - D56

64GB kit (4X16GB) of DDR4 memory rated at DDR4 2666 (PC4 21300). This Non ECC DIMM upgrade is designed to improve overall system processing speed. It enables smoother multitasking, allowing your computer to handle more simultaneous tasks and keep more applications open at once.