For those who want a "flash and go" experience, the firmware builds by on GitHub have long been a favorite for Sapphire Pro owners.
The Sapphire Pro features a BMG-clone dual-gear extruder. This extruder requires a much higher step count than standard single-gear extruders. two trees sapphire pro firmware best
Fewer Sapphire Pro users run RRF compared to Marlin or Klipper, meaning troubleshooting guides specific to your machine will be harder to find. Hardware Considerations Before Upgrading For those who want a "flash and go"