Original Prusa MK4S
The Original Prusa MK4S is an open-frame printer with a 250 × 210 × 220 mm build volume (11.6 litres), a 290 °C nozzle and a 120 °C bed, listed at $679 in the US.
- 11.6 Lbuild volume
- 290 °Cmax nozzle
- 120 °Cmax bed
- $679US list price
Specifications
| Spec | Original Prusa MK4S |
|---|---|
| Build volume (mm) | 250 × 210 × 220 |
| Build volume (litres) | 11.6 |
| Max nozzle temp | 290 °C |
| Max bed temp | 120 °C |
| Claimed max speed | not stated |
| Claimed max acceleration | not stated |
| Enclosed | No |
| Heated chamber | not stated |
| Multi-material | MMU3 compatible, up to 5 filaments |
| Motion system | not stated |
| Extruder | direct |
| Nozzle sizes (mm) | 0.4 |
| Stock nozzle | 0.4 mm |
| Firmware | not stated |
| Connectivity | nfc, wifi (optional module), usb |
| Weight | 7 kg |
| Rated power (supply maximum, not running draw) | 240 W |
| US list price | $679 |
What it can print
Each material's data sheet temperatures are set against this printer's published limits: a 290 °C nozzle, a 120 °C bed and an open frame. On those numbers it covers PLA, PLA+ / tough PLA, PETG, TPU 95A, PVA. It is the wrong machine for ASA, PA6 (nylon), PC as sold.
| Material | Verdict | Why | Nozzle range | Bed range |
|---|---|---|---|---|
| PLA | Yes | Nozzle needs up to 230 °C, this printer reaches 290 °C. | 190 to 230 °C | 25 to 60 °C |
| PLA+ / tough PLA | Yes | Nozzle needs up to 230 °C, this printer reaches 290 °C. | 190 to 230 °C | 30 to 60 °C |
| PETG | Yes | Nozzle needs up to 260 °C, this printer reaches 290 °C. | 230 to 260 °C | 65 to 90 °C |
| ABS | With care | Prints better in an enclosure, this printer is open. Also: nozzle needs up to 270 °C, this printer reaches 290 °C; bed needs up to 100 °C, this printer reaches 120 °C. | 210 to 270 °C | 80 to 100 °C |
| ASA | No | Needs an enclosure, this printer is open. Also: nozzle needs up to 270 °C, this printer reaches 290 °C; bed needs up to 115 °C, this printer reaches 120 °C. | 240 to 270 °C | 70 to 115 °C |
| TPU 95A | Yes | Nozzle needs up to 240 °C, this printer reaches 290 °C. | 210 to 240 °C | 30 to 50 °C |
| PA6 (nylon) | No | Needs an enclosure, this printer is open. Also: nozzle needs up to 290 °C, this printer reaches 290 °C; bed needs up to 90 °C, this printer reaches 120 °C. | 245 to 290 °C | 50 to 90 °C |
| PA-CF | With care | Nozzle reaches 290 °C, some brands of this material ask for up to 300 °C. Also: prints better in an enclosure, this printer is open; bed needs up to 100 °C, this printer reaches 120 °C. | 260 to 300 °C | 25 to 100 °C |
| PC | No | Needs an enclosure, this printer is open. Also: nozzle needs up to 280 °C, this printer reaches 290 °C; bed needs up to 110 °C, this printer reaches 120 °C. | 250 to 280 °C | 90 to 110 °C |
| PVA | Yes | Nozzle needs up to 250 °C, this printer reaches 290 °C. | 180 to 250 °C | 25 to 60 °C |
| HIPS | With care | Prints better in an enclosure, this printer is open. Also: nozzle needs up to 270 °C, this printer reaches 290 °C; bed needs up to 115 °C, this printer reaches 120 °C. | 230 to 270 °C | 90 to 115 °C |
Will your part fit
Enter the size of your part. The check allows turning the part onto any side, but not tilting it diagonally.
Closest alternatives
The three printers nearest to the Original Prusa MK4S's $679 US list price.
- Original Prusa MK4S250 × 210 × 220 mm
- Bambu Lab X2D256 × 256 × 260 mm
Bambu Lab X2D
- Build volume
- 256 × 256 × 260 mm
- Against this printer
- 5.4 litres more build volume
- US list price
- $649, $30 less
- Original Prusa MK4S250 × 210 × 220 mm
- Qidi Plus5320 × 320 × 300 mm
Qidi Plus5
- Build volume
- 320 × 320 × 300 mm
- Against this printer
- 19.1 litres more build volume
- US list price
- $749, $70 more
- Original Prusa MK4S250 × 210 × 220 mm
- Creality K1C220 × 220 × 250 mm
Creality K1C
- Build volume
- 220 × 220 × 250 mm
- Against this printer
- 0.5 litres more build volume
- US list price
- $559, $120 less
In each drawing the teal box is the Original Prusa MK4S and the orange box is the alternative, at the same scale.
Compare with another printer
Put the Original Prusa MK4S next to any of the other 24 printers in the comparison tool. Rows where the specs differ are shaded, and the build volumes are drawn over each other to scale.