Install samsung nvme driver for stability and performance:
https://s3.ap-northeast-2.amazonaws.com/global.semi.static/SAMSUNG_SSD_970_Driver_190125/7FD357322A6707A720E1A71EF11A3BE1EED819E011D317626415F0281A68833C/Samsung_NVM_Express_Driver_3.1.exeSince the nvme slot is right below the graphics card i would suggest monitoring it's temperature and if it's getting too hot to move it on the lowest slot
U are on version F3 with the bios of X470 AORUS ULTRA GAMING
while the website offers version F30 already.. I would suggest updating the bios BE CAREFUL THOUGH
Some of the other tips i posted above u can try if nothing works then u can search the forum a bit or wait for other people feedback maybe