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Product Title: ELEGOO Neptune 4 Pro FDM 3D PrinterProduct URL: https://3dworld.live/products/elegoo-neptune-4-pro-fdm-3d-printer-high-speed-up-to-500mm-s-121-point-auto-bed-leveling-225x225x265mm-printing-size-1Main Features:. Pre-installed Klipper Firmware for fast and efficient printing. Dual-Gear Direct Drive Extruder with 5.2:1 reduction ratio for smooth and consistent extrusion. 300°C High-temp Nozzle for printing a wide range of filaments. Intelligent Segmented Heatbed for efficient heating and temperature control. Auto Bed Leveling Auxiliary Leveling for consistent and reliable prints. Efficient Heat Dissipation with multiple cooling fans. Speed Up Printing with Klipper:The Neptune 4 Pro 3D printer is equipped with a Klipper motherboard and ARM 64-bit 1.5G main frequency quad-core processor, allowing for printing speeds of up to 500mm/s. The pre-installed Klipper firmware eliminates the need for manual installation and supports advanced functions like input shaping and pressure advance for improved print quality.Powerful Extrusion Mechanism:The printer's dual-gear direct drive extruder ensures a firm grip on the filament and prevents slipping and grinding. The copper-titanium bi-metal throat pipe and unique air duct design improve heat dissipation and reduce nozzle clogging. With a 300°C high-temp nozzle and extended hotend design, the printer can handle a variety of filaments.Separate Segmented Heatbed:The intelligent segmented heatbed allows for efficient and energy-saving printing. It also features a hot bed overheat protection switch and can be manually controlled for flexible temperature adjustments. The PEI magnetic platform with a special coating and spring steel sheet provides good adhesion and prevents warping.Efficient Cooling System:The Neptune 4 Pro has