Neptune 4 Pro

ELEGOO Neptune 4 Pro FDM 3D Printer with Up to 500mm/s Printing Speed, Auto Bed Leveling, Dual-Gear Direct Extruder, 300℃ High-temp Nozzle, Intelligent Segmented Heatbed, 225x225x265mm³ /8.85x8.85x10.43 Inch Printing Size Pre-installed Klipper Firmware: The Neptune 4 Pro 3D printer is designed to be fast and efficient. It features a quiet Klipper motherboard and ARM 64-bit 1.5G main frequency quad-core processor for sufficient processing power, allowing it to print at a amazing speed of up to 500mm/s  (recommended 250mm/s), and supports advanced functions like input shaping and pressure advance to achieve accurate and smooth models. The 8GB RAM can store many models and quick access when needed. Dual-Gear Direct Drive Extruder: The dual-gear direct drive extruder with a 5.2:1 reduction ratio for smooth and consistent extrusion, combined with the copper-titanium bi-metal throat pipe and unique air duct design, improve heat dissipation and reduce nozzle clogging. 300°C High-temp Nozz