@Dog_Lap
FYI: Samba is single-threaded garbage. It's limited to just one CPU core. This difference is also seen in why so many of GL.iNet's routers have better WireGuard throughout (multi-threaded) vs OpenVPN (single).
Try WebDAV.
https://www.samba.org/samba/docs/old/Samba3-Developers-Guide/architecture.html#id2556751