Neptune 4 Max 3D Printer

Neptune 4 Max 3D Printer

The ELEGOO Neptune 4 Max expands high-speed FDM printing into ultra-large-format production while maintaining precision and reliability. Powered by Klipper firmware and a reinforced motion system, the Neptune 4 Max enables creators to produce very large parts faster without sacrificing print quality.

Featuring an all-metal hotend, intelligent automatic bed levelling, and an upgraded cooling system, the printer is designed for demanding workflows such as prototyping, cosplay components, functional parts, and batch production. The extra-large build volume, combined with high-speed performance, makes the Neptune 4 Max ideal for makers ready to scale beyond standard desktop printing sizes and produce full-scale components in a single print.

Software & Support

You can easily access the recommended slicing software directly from the ELEGOO Africa website, where the latest version is available for download along with setup guides and supporting resources. This ensures you are working with the most up-to-date software optimised for the Neptune 4 Max, allowing for a smooth setup process, simplified print preparation, and the best possible printing performance from day one.

Key Features

• High-speed printing up to 500 mm/s
• Klipper firmware pre-installed for advanced motion control
• Dual-gear Direct Drive Extruder
• Intelligent 121-point automatic bed levelling
• Extra-large build volume for oversized projects
• All-metal hotend supporting higher temperatures
• Dual Z-axis motors with reinforced structure
• High-performance multi-fan cooling system
• Quiet stepper drivers
• Wi-Fi and LAN remote control capability

Technical Specifications

Printing System

Print Performance

• Maximum Print Speed: Up to 500 mm/s
• Maximum Acceleration: 20,000 mm/s²
• Layer Height: 0.05 – 0.30 mm
• Printing Accuracy: ±0.1 mm
• Input Shaping: Supported (Klipper feature)
• Pressure Advance: Supported

High-speed motion system enables fast production of ultra-large-format prints while maintaining consistent detail.

Build Volume

• Build Volume (L × W × H): 420 × 420 × 480 mm
• Build Plate: Magnetic PEI spring steel plate
• Heated Bed: Intelligent large-format heated bed system
• Build Surface: Textured PEI coating

Massive build capacity allows printing of oversized models or multiple large parts simultaneously.

Cooling System

• Part Cooling: Dual high-speed fans
• Auxiliary Cooling: Multi-position auxiliary cooling fans
• Hotend Cooling: Independent cooling fan system

Enhanced airflow supports stable printing at higher speeds and improved overhang performance.

User Interface & Connectivity

• Display: 4.3-inch full-colour touchscreen
• Interface Type: Detachable control screen
• Connectivity Options: USB Drive, Wi-Fi, LAN (Ethernet)
• Remote Control: Web interface via Klipper
• Supported File Formats: STL, OBJ, AMF
• Output Format: G-code
• Supported Slicers: Cura, PrusaSlicer, OrcaSlicer, and compatible software

Mechanical & Physical Specifications

• Frame Material: Reinforced aluminium extrusion frame
• Machine Dimensions: Approx. 740 × 735 × 900 mm
• Net Weight: Approx. 18.1 kg
• Structure Type: Cartesian gantry printer
• Lighting: Integrated LED light bar

Reinforced frame construction maintains stability during very large, high-speed prints.

Power Requirements

• Input Voltage: 100–120V / 220–240V AC
• Frequency: 50/60 Hz
• Rated Power: 600W power supply

Filament Compatibility

Supports 1.75 mm filaments, including:

• PLA
• PETG
• TPU (flexible)
• ABS
• ASA
• Nylon (with proper setup)
• High-temperature engineering filaments

All-metal hotend enables expanded material compatibility.

Smart Features

• 121-point automatic levelling
• Power loss recovery
• Filament run-out sensor
• Input shaping calibration
• Remote monitoring via network
• Quiet stepper drivers
• High-speed Klipper ecosystem

What’s in the Box

• 1 X ELEGOO Neptune 4 Max 3D Printer
• 1 X Magnetic PEI Spring Steel Build Plate
• 1 X Tool Kit
• 1 X Spare Nozzle
• 1 X Filament Holder
• 1 X USB Drive
• 1 X Power Cable
• 1 X User Manual