Late in cycle — but an upgrade kit is available. Existing owners can upgrade without buying new
🔧 Upgrade kit available — from MK4, MK3.5
Best for: Makers who value open-source hardware, community support, long-term repairability, and battle-tested reliability over raw speed or multicolor features.
Full details →First-generation product — no release history to base predictions on
Best for: Home users, educators, and office environments who need a compact enclosed printer with genuine air filtration — and primarily print PLA, PETG, and occasional ABS.
Full details →| Prusa Research MK4S | Flashforge Adventurer 5M Pro | |
|---|---|---|
| Tier | Prosumer | Prosumer |
| Motion | BedSlinger | CoreXY |
| Build Volume | 250 × 210 × 220 mm | 220 × 220 × 220 mm |
| Max Speed | 500 mm/s | 600 mm/s |
| Multicolor | ❌ No | ❌ No |
| Enclosure | ❌ | ✅ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ✅ | ❌ |
| Upgrade Kit | 🔧 From MK4, MK3.5 | — |
| Materials | PLA, PETG, ABS, ASA, TPU, PA, PC | PLA, PETG, ABS, ASA, TPU, PLA-CF, PA-CF, PETG-CF |
| Released | Mar 20, 2024 | Sep 1, 2023 |
| Cycle length | ~730 days | — |
| Cycle advice | Upgrade Kit | Caution |
| Deals advice | Buy | Caution |
| Next model | Prusa MK5 (Expected 2027) | — |
MK4 and MK3.5 owners can upgrade to MK4S specs without purchasing a whole new printer. This is Prusa's commitment to owners and is unique in the industry at this level.
Firmware, PCB schematics, hardware designs, and slicing profiles are all published under open licenses. You own the printer completely.
Prusa's forum, knowledge base, and repair guides are unmatched. Parts are stocked and available for years after purchase.
Removes 99% of particulates and VOCs generated during printing. One of the strongest air filtration systems in the consumer printer category.
Nozzles snap in and out without tools or heating. Swapping between 0.25, 0.4, 0.6, and 0.8mm nozzles takes seconds — ideal for classrooms and multi-user environments.
Full enclosure in a compact body that fits comfortably on a desk — unusually rare at this price point.