Elegoo Neptune 4 Max – Motherboard

• The Neptune 4 Max uses a Klipper-motherboard with an ARM 64-bit, quad-core processor running at 1.5 GHz.

• It has about 8 GB ROM for storage of print jobs, models, etc.

• Comes with pre-installed Klipper firmware.

• Supports a number of advanced firmware features: input shaping, pressure advance, accessory acceleration sensors on X and Y for calibration to suppress vibrations, ringing, etc. It is capable of high speeds and accelerations: up to 500 mm/s print speed, 8000 mm/s² acceleration in normal mode.

Other related hardware features (which the board must support):

• 121-point auto bed leveling (11×11 grid)

• High-temperature hotend up to 300 °C

• Heated bed (though bed max temp is around 85 °C for this large bed)

• Filament sensor, resume printing, etc.