Original Prusa MK4S

Made by Prusa Research · Shipping · Released Aug 2024

Overview

Status
Shipping
Released
Aug 2024
Launch price
$1,099
Announced
Aug 2024

Build

Build volume
250 × 210 × 220 mm
Enclosure
Open frame
Air filtration
None

Temperatures

Max chamber temp
—
Max hotend temp
290 °C
Max bed temp
120 °C

Motion

Motion system
Bedslinger (i3-style)
Max speed (claimed)
—
Max acceleration (claimed)
—
Max volumetric flow (claimed)
—

Toolhead

Extruder
Direct drive
Stock nozzle
0.4 mm brass
Nozzles
1
Multi-material
MMU3 (optional, up to 5 filaments)

Features

Bed leveling
Automatic
Features
Filament runout sensor, Input shaping, Power-loss recovery, Automatic Z offset, Quick-swap nozzle
Firmware
Prusa Firmware Buddy (open source)
Connectivity
Wi-Fi, Ethernet, USB, Cloud
Laser module
None offered

Speed, acceleration and flow figures are the manufacturer's claims. A dash means the manufacturer does not publish the value.

Compared with

Original Prusa MK4S vs Bambu Lab P1S: specs side by side

Original Prusa MK4S vs Bambu Lab P1S specs side by side: bedslinger vs CoreXY, open frame vs enclosure, build volume, temperatures, firmware and launch price.

Sources

Last verified

  1. Prusa Research, Original Prusa MK4S product page and technical specifications (accessed Sep 29, 2026)
  2. Prusa Research blog, The Original Prusa MK4S is here (2024-08-12) (accessed Sep 29, 2026)
  3. Tom's Hardware, Prusa MK4S review (2024-08-12), launch pricing (accessed Sep 29, 2026)
  4. Prusa Research on GitHub, Prusa-Firmware-Buddy firmware source (GPL-3.0) (accessed Sep 29, 2026)