Elegoo Neptune 4 Max 3D Printer 420x420x480mm Large Print Size 500mm/s Fast Speed

The Elegoo Neptune 4 Max 3D Printer takes FDM printing to the next level with its massive 420 x 420 x 480mm build volume, lightning-fast 500mm/s printing speed, and Klipper firmware pre-installed for professional-grade precision. Designed for both enthusiasts and professionals, the Neptune 4 Max delivers ultra-smooth performance, stable printing, and unparalleled accuracy — perfect for large-scale models, prototypes, and production-quality prints.

Features:

• Massive Build Volume

  • Large 420 x 420 x 480mm workspace for printing big models or multiple parts simultaneously.

  • Ideal for functional prototypes, cosplay models, architectural designs, and mechanical parts.

• Pre-installed Klipper Firmware

  • Advanced Klipper firmware ensures intelligent motion control and ultra-smooth printing.

  • Default printing speed: 250mm/s | Max speed: 500mm/s | Acceleration: 8,000mm/s².

  • Built-in Input Shaping and Pressure Advance reduce ringing, ghosting, and layer artifacts.

• High-Speed Klipper Motherboard

  • Powered by a 64-bit ARM quad-core processor (1.5GHz) for efficient, high-speed motion processing.

  • Ensures stability, synchronization, and precision even during complex print jobs.

• Dual Gear Direct Drive Extruder

  • 5.2:1 gear ratio for reliable filament feeding and retraction.

  • Supports PLA, PETG, ABS, TPU, ASA, Nylon, and other filaments with consistent extrusion.

  • Minimizes filament slipping and improves print consistency across various materials.

• High-Temperature Capabilities

  • Nozzle temperature: up to 300°C for engineering-grade filaments.

  • Heated bed: 85°C for improved adhesion and warp-free printing.

  • Features a 60W ceramic heating element and brass heating block for rapid temperature recovery.

• Efficient Cooling System

  • Multi-fan setup ensures optimal heat dissipation and cooling efficiency:

    • 2 × 4015 ball-bearing fans

    • 1 × 3010 ball-bearing fan

    • 2 × 6025 ball-bearing fans (9600 RPM)

  • Maintains consistent performance during long prints.

• Automatic Calibration & Leveling

  • 121-point auto bed leveling for a perfect first layer every time.

  • Built-in accelerometers on X and Y axes for real-time resonance compensation.

  • Reduces manual calibration time and ensures high accuracy across large prints.

• Enhanced LED Lighting

  • Comes with 30 integrated LEDs (an upgrade from 24 on Neptune 4 Plus) for clear visibility during printing.

• Silent and Stable Operation

  • Uses silent stepper motor drivers to reduce operational noise.

  • Rigid metal frame and stable gantry minimize vibrations for better print quality.

• Multiple Connectivity Options

  • Supports WiFi, USB, and LAN for convenient data transfer, remote monitoring, and control.

  • Compatible with Cura, PrusaSlicer, Simplify3D, and Elegoo Cura slicers.

Specifications:

• Technology: FDM (Fused Deposition Modeling)

• Build Volume: 420 x 420 x 480mm

• Printing Speed: Up to 500mm/s (default 250mm/s)

• Maximum Acceleration: 8,000mm/s²

• Max Nozzle Temperature: 300°C

• Max Bed Temperature: 85°C

• Extruder Type: Dual Gear Direct Drive

• Motherboard: 64-bit ARM quad-core, 1.5GHz

• Firmware: Klipper (pre-installed)

• Connectivity: WiFi, USB, LAN

• Power Supply: 110/220V

• Machine Size: 658 x 632 x 740mm

• Weight: 18.1kg (gross: 26.35kg)

Comparison:

Usage & Applications:

• Ideal for large-scale prototypes, mechanical parts, cosplay props, architectural models, and production components.

• Perfect for makers, designers, engineers, and educational institutions requiring fast, accurate, and stable 3D printing.

• Compatible with multiple filament types for versatile printing requirements.

How to Use:

• Assemble and calibrate according to the included guide.

• Load filament and level the bed (automatic).

• Select your print file via WiFi, LAN, or USB.

• Start the print and monitor via the Klipper interface.

• Post-process the print as needed for a professional finish.

Maintenance Tips:

• Keep the print bed clean and free of residue.

• Regularly inspect and lubricate linear rails and extruder gears.

• Replace the nozzle periodically for consistent results.

• Update firmware and slicer profiles to maintain optimal performance.

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