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PrintSignals
Elegoo Neptune 4

Elegoo Neptune 4

WAIT

Past the brand's typical replacement window. A new model is more likely than not. Firmware and support remain active.

Signals last verified: 17 July 2026

Signals: Lifecycle · Firmware · Support · Spare parts. What we track

Where to buy

Official Site

Specifications

Build volume
225x225x265 mm
Build size class
Medium - Daypack / Backpack
Price
Base: €179
Enclosure
Open frame
Chamber control
None
Materials
PLA · PETG · PHA · PVB · TPU · TPE · TPC · PEBA
Support materials
—
Bowden extruder
—
Max hotend temp
300°C
Max bed temp
110°C
Max chamber temp
—
Nozzle material
Brass
Hardened nozzle
—
Nozzle count
1
Max filament inputs
1
True multi-material
—
Tool change
Single Nozzle Pause Swap

Ownership

Experience level
Tinkerer
Assembly
Light Build
Auto bed leveling
Assisted
Auto Z offset
—
Auto first layer
—
Filament runout sensor
Yes
Spaghetti detection
—
Error guidance
Generic
Warranty
24 months
Warranty extension
Not available
Spare parts
Minimal
Firmware version
V1.3.1.4

Unlockable capabilities

With hardened nozzle upgrade:
Abrasive materials

Real-world performance

Who this is for

On the print itself, this is an easy machine to recommend at around €180: fast, high-quality output, reliable in practice, and strong value. What decides it is timing and temperament. If you are a first-timer, note that the pre-assembled version genuinely expects a tinkerer, so the self-assembly kit reviewers call beginner-friendly may actually suit you better, but confirm which one you are buying. If you are an upgrader or home hobbyist, the honest ceiling is the open frame: plan to print PLA, PETG, PHA, PVB, and flexibles well, not ABS or ASA, and treat multi-color as hands-on rather than automated. If you are a prosumer eyeing this as a business tool, the reliability is there but the thin spare-parts supply and an overdue lifecycle are real risks to running it long-term. For everyone, the same advice holds: the machine is good, the moment is not ideal. Unless you need it now, watch for a successor announcement, a price drop, or stock clearing, and buy on one of those signals rather than today.

PrintSignals Review

Elegoo Neptune 4 Review

Written by AI from manufacturer specifications and the aggregated consensus of

PrintSignals does not test printers hands-on. How we do this

Assessment

The Neptune 4 is a capable open-frame machine at around €180 that reviewers rate well on the things that matter most day to day: fast printing, excellent output quality, and reliable operation, with only a slight quality drop as you push the speed. The reason PrintSignals says wait has nothing to do with how it prints. Elegoo replaces models roughly every 1.2 years on average, and this one is already past that window, so a successor announcement is more likely than not. Firmware is still active and was updated within the last 90 days, so you are not buying an abandoned machine, but if you commit now you are accepting real timing risk. Watch for a next-model reveal, further price cuts, or stock clearing out before you buy. If you need a printer this month, it is a strong value; if you can wait, waiting is the better play.

Build and print volume

You get a 225x225x265 mm build volume, a medium envelope that covers most household and hobby work and gives you a bit of extra height for taller single pieces. The frame is open, with no thermal containment, so the machine sits exposed to whatever the room is doing. That is fine for the filaments it is built around and the main reason its material range is limited. Reviewers call build quality adequate, functional but not premium for the price, which is about what you would expect at this level. One thing to settle before you order: the Neptune 4 comes as both a pre-assembled unit and a self-assembly kit, and they are genuinely different to live with. Everything below about setup and complexity describes the pre-assembled version.

Material capability

The reliable range is PLA, PETG, PHA, and PVB, and reviewers rate handling across that range as good in practice. The hotend is rated to 300°C and the bed to 110°C, but the open frame is the real limit here, not the temperatures. Without an enclosure to hold heat, warp-prone materials like ABS and ASA are not a safe bet, and that is the ceiling to plan around. The direct drive extruder is a genuine plus for flexibles: TPU is the most accessible, and the hardware also handles TPE, TPC, and PEBA, though each step along that list asks more of your tuning. The stock nozzle is brass and not hardened, so abrasive filaments need a hardened nozzle first. And because every color runs through a single nozzle, mixing materials carries a cross-contamination risk regardless of the combination, so treat this as a multi-color machine within its supported range, not a multi-material one.

Setup and ownership

The pre-assembled unit needs only minor mechanical setup, usually 15 to 45 minutes, and assisted bed leveling plus filament runout detection take some of the friction out of getting started. After that, be honest with yourself about what this printer asks. It runs a modified version of Klipper, and tuning, calibration, and debugging are expected parts of ownership, not exceptions. When something goes wrong you get generic text messages or raw firmware errors with no structured code system, so you diagnose it yourself, often leaning on community wikis. Reviewers rate routine maintenance as manageable with clear guidance, but they also report occasional clogs, a moderate print failure rate, and operation that is noticeably loud, which matters if the machine shares a room with you. Multi-color is manual: single nozzle, pause and swap, unloading one filament and loading the next by hand at every color change. The manufacturer's slicer is well regarded, and you are not locked to it since the ecosystem is semi-open and third-party slicers including Orca are accepted. Local-mode control works but is limited, with some features still requiring the cloud. If you want a machine you mostly leave alone, this is not it; if tinkering is part of the appeal, it rewards the effort.

Support and longevity

Support is a mixed picture. The core channels exist and observed support is positive but limited in scope, and the pattern is that Elegoo tends to address hardware issues after they surface rather than getting ahead of them. Coverage is uneven across warranty handling, parts availability, and how well issues actually get resolved. The bigger concern for anyone running this as a tool is spare parts: official availability is minimal, with very few items listed in the store, though parts that are not listed may still be had by contacting support directly. Firmware support is currently active, which is the reassuring half. But weigh that against the lifecycle: this model is overdue for replacement, and once a successor lands, a thin parts pipeline is what you would be depending on to keep it running mid-project.

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