Prusa MK4S 3D Printer

Build Volume

250 x 210 x 220 mm | 9.84 x 8.3 x 8.6 in

Filament diameter

1.75 mm

Layer height

0.05-0.30 mm

Printer dimensions (without spool)

7 kg, 500×550×400 mm; 19.6×21.6×15.7 in (X×Y×Z)

Mainboard

Custom 32-bit xBuddy electronics with STM32

Stepper Drivers

Trinamic 2130

Stepper motors

Precise 0.9° X,Y stepper motors (prevents VFA)

Extruder

Nextruder, Direct Drive, E3D V6 compatible (with adapter)

Extruder electronics

Custom breakout board for connecting fans, thermistors and other parts.

Filament path

Aluminum heatsink, all-metal hotend

Drive system

Nextruder Planetary Gear System, 10:1 gearbox ratio

Cooling fan

High-performance turbine, 360° cooling system

Nozzle

High-flow Prusa Nozzle brass CHT - 0.4 mm

Max nozzle temperature

290 °C / 554 °F

Max heatbed temperature

120 °C / 248 °F

LCD screen

3.5″ graphic 65k color screen

Connectivity

NFC receiver, optional ESP Wi-Fi module (delivered with the printer)

Print medium

USB drive / LAN / internet via Prusa Connect

Advanced sensors

Filament sensor, Loadcell sensor, Power panic, 4 high-precision thermistors (genuine Semitec) + fan motors RPM monitoring

Print surface

Magnetic heatbed with removable PEI spring steel sheets

Bed calibration

Automatic, Mesh Bed Leveling (only on print area)

Supported materials

PLA, PETG, Flex, PVA, PC, PP, CPE, PVB and when using the Original Prusa Enclosure with filtration add-on ABS, ASA, HIPS, PA

PSU

240W, custom made by Delta with Power Panic HW

Power consumption

PLA settings: 80W / ABS settings: 120W