Have you tried #RaspberryPi5 boot from NVMe? Here is a quick guide to what you need to make it happen. Tested thanks to #Argon50 #ArgonONEV3 case.
Check this out! 🧑‍💻
#net_r #RaspberryPi
https://notenoughtech.com/raspberry-pi/boot-raspberry-pi-5-from-nvme/
How to boot Raspberry Pi 5 from NVMe M.2 SSD - NotEnoughTech

This is how you can boot your Raspberry PI 5 from NVMe in 10 min! Check out these easy instructions

NotEnoughTech