The drivers will be plug in, SPI, so 2130’s woudl be the go to.
The CNC’s
The zen boards have two built in 2209’s. I just posted a picture of the batch that arrived this morning. Gotta have them all! - #47 by vicious1
The only time I had seen an issue was when the GUI refresh was set too often. I am curious, though. The Zen will stutter, but that was also not FluidNC I think my table is still GRBL32.