Yes, you can change the 5800X to the 3D version without any problems.
Yes, you can change the 5800X to the 3D version without any problems.
Your X570 Unify is compatible with an AM4 platform, so swapping the CPU is feasible. Just ensure you follow the recommended BIOS settings and power delivery requirements for a custom loop. No major precautions needed unless you're unsure about voltage or thermal management.
According to common sources, the system should be running Agesa 1.2.0.6 or newer. 5800X may support older AGESA versions, so verify compatibility.
It launches on 5000 compatible BIOS versions but needs a supported one to enable the upgrade (runs around 3.3GHz).