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Elegoo Neptune 4 Pro

★★★★☆ 4.5/5 · 1,638 reviewsby Elegoo
9.0OUT OF 10
The FilamentQuarry verdict

The Elegoo Neptune 4 Pro is a standout budget-friendly 3D printer that punches well above its price point, offering high-speed printing, reliable auto bed leveling, and a durable dual Z-axis frame. It's an excellent choice for hobbyists and intermediate users who want fast, quality prints without breaking the bank, though newcomers may face a slight learning curve during initial setup.

Key Features

Full Specifications

Build Volume225 x 225 x 265 mm
Max Print Speed500 mm/s
Max Nozzle Temperature300°C
Max Bed Temperature100°C
ConnectivityUSB, microSD card

What we liked

  • Fast printing speeds up to 500mm/s
  • Excellent auto-leveling reduces setup time
  • High-temp hotend supports engineering filaments like ABS, PETG, PA
  • Sturdy dual Z-axis frame improves print quality
  • Quiet operation with off-board power supply
  • Great value for the feature set

Worth noting

  • Stock cooling fan could be louder than expected
  • Instructions could be more beginner-friendly
  • Some units require minor calibration tweaks out of box
  • Limited enclosure options for ABS printing

The Full Review

The Elegoo Neptune 4 Pro is a standout budget-friendly 3D printer that punches well above its price point, offering high-speed printing, reliable auto bed leveling, and a durable dual Z-axis frame.

The ELEGOO Neptune 4 Pro is a fused deposition modeling desktop 3D printer built for hobbyists and makers who want speed without sacrificing print quality. At its core is the Klipper firmware running on a dedicated mainboard, which unlocks print speeds up to 500mm/s and accelerations up to 8000mm/s², a significant leap over typical entry-level machines. The printer features a direct drive extruder system paired with a dual-gear feeding mechanism, improving filament grip and retraction control, which is especially useful for flexible filaments like TPU as well as standard PLA, PETG, and ABS. The all-metal hot end can reach temperatures up to 300 degrees Celsius, expanding the range of engineering filaments users can experiment with beyond basic consumer plastics. Build quality and convenience features set the Neptune 4 Pro apart from ELEGOO's earlier Neptune lineup. It includes a PEI-coated flexible spring steel build plate that heats quickly and allows finished prints to be removed by simply flexing the plate, eliminating the need for scrapers in most cases. The printer also incorporates automatic bed leveling through a strain gauge sensor, which maps the print surface and adjusts the nozzle height accordingly, reducing first-layer failures that often frustrate newcomers to 3D printing. A dual-fan cooling system directs airflow more evenly across printed layers, helping with overhangs and bridging on complex geometries. The 4.3-inch color touchscreen interface simplifies navigation through print settings, and resume-after-power-loss functionality protects long print jobs from unexpected interruptions. Physically, the Neptune 4 Pro offers a build volume of 225 x 225 x 265 millimeters, giving enough room for moderately sized functional parts, prototypes, or multiple smaller objects printed in a single batch. The frame uses an open-style gantry construction with reinforced aluminum extrusions for rigidity during high-speed printing, and the design supports both USB and TF card connectivity for transferring sliced files. ELEGOO bundles the printer with its own slicing software, ELEGOO Cura, though the machine is also compatible with other popular slicers that support Klipper-based configurations. Given its combination of fast printing speeds, simplified bed leveling, and a sturdy build at a mid-range price point, the Neptune 4 Pro is positioned as an appealing option for users upgrading from basic 3D printers or looking for a reliable machine to handle both casual projects and more demanding print jobs.

The Elegoo Neptune 4 Pro is a standout budget-friendly 3D printer that punches well above its price point, offering high-speed printing, reliable auto bed leveling, and a durable dual Z-axis frame. It's an excellent choice for hobbyists and intermediate users who want fast, quality prints without breaking the bank, though newcomers may face a slight learning curve during initial setup.

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