MK4S
“The tinkerer's workhorse: open, repairable and built to last.”
Will’s take Solid choice
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- MK4S vs U1
Prusa MK4S vs Snapmaker U1
U1
“The tool changer that made low-waste colour affordable.”
Will’s take Top pick
The short version
- The U1 costs $250 less.
- The U1 holds 1.7× the build volume.
- The MK4S handles up to 5 colours, against 4.
By the numbers
Side by side, drawn to scale
- Prusa MK4S
- Snapmaker U1
Price
Build volume
Top speed
Max colours
Bed size from above
- MK4S 250 × 210
- U1 270 × 270
Full specs
Marked where one is clearly aheadSpec for spec
| Spec | Prusa MK4S | Snapmaker U1 |
|---|---|---|
| Price | $999 | $749 |
| Released | August 2024 | October 2025 |
| Technology | Filament (FDM) | Filament (FDM) |
| Motion system | Bed slinger | Tool changer |
| Build volume | 250 × 210 × 220 mm | 270 × 270 × 270 mm |
| Top speed | Not stated | 500 mm/s |
| Acceleration | Not stated | 20,000 mm/s² |
| Max colours | 5 (MMU3 (optional add-on)) | 4 (SnapSwap 4-toolhead changer) |
| Frame | Open frame | Open frame |
| Hotend, max | 290 °C | 300 °C |
| Bed, max | 120 °C | 100 °C |
| Chamber heating | None | None |
| Weight | 7 kg | 18.2 kg |
| Materials | PLA, PETG, Flex/TPU, PVA, PC, PP, CPE, PVB, ABS, ASA, HIPS, PA | PLA, PETG, TPU, PVA, PCTG |