Two Trees Sapphire Pro Firmware Best Better -

Slower than Klipper; requires manual recompilation for every configuration change. 3. The "Easy" Upgrade: Foxies (MKS Robin Nano)

You’ll likely need to compile the firmware yourself using VS Code and Auto Build Marlin to ensure the pin mappings for the MKS Robin Nano board are correct. two trees sapphire pro firmware best

if you want to push the printer to its physical limits and don't mind spending $35 on a Pi. Slower than Klipper; requires manual recompilation for every

if you want the quickest path away from the buggy factory software with minimal tinkering. Slower than Klipper

It’s a "standalone" solution. You don’t need an external computer. Modern Marlin builds (2.1.x) include features like Linear Advance and S-Curve Acceleration which significantly improve the Sapphire Pro’s stock performance.