Elegoo
Elegoo Neptune 4 Max
$389 USD
Enormous 420×420×480mm volumeKlipper-poweredLargest affordable FDM
US store price checked Sep 22. Retailer prices, tax and shipping may differ.
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Full Specifications
Build Volume420 × 420 × 480 mm
Max Print Speed500 mm/s (Fast (~300–400mm/s))
Enclosure✗ No — open frame
Multi-material✗ No
Auto bed leveling✓ Yes
WiFi / App control✓ Yes
Large format✓ Yes (300mm+)
DifficultyBeginner
Price$389 USD
Last verifiedMay 2026
Compatible Materials
PLAPLA+PETGTPU
Pros & Cons
Pros
- One of the largest build volumes you can buy at this price
- 500mm/s with input shaping & pressure advance
- Klipper firmware for advanced tuning
- Automatic resonance compensation for clean prints at speed
Cons
- Huge physical footprint — needs dedicated space
- No enclosure limits materials to PLA/PETG/TPU
- Bed warm-up takes longer at this size
Best For
Full-scale cosplay buildsLarge architectural modelsAnyone who needs maximum size for minimum cost
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