Original Prusa MK4S
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Best use cases
Workhorse reliability, open-source repairability, engineering labs
Full specifications
Build & chassis
- Build area
- 250×210×220 mm
- Build volume
- 11.55 L
- Machine category
- Prosumer Bedslinger
- Enclosed chamber
- No
- Active heated chamber
- No
Motion & extrusion
- Kinematics
- Cartesian (Bedslinger)
- Extruder mechanism
- Nextruder Planetary Direct Drive 10:1
- Max print speed
- 500 mm/s
- Max acceleration
- 20,000 mm/s²
- Max hotend flow
- 28 mm³/s
- Min layer height
- 50 µm
Thermal
- Max nozzle temp
- 290 °C
- Max bed temp
- 120 °C
- Max chamber temp
- 0 °C
Multi-material & leveling
- Multi-material capable
- Yes
- Auto bed leveling
- Load Cell Exact First Layer (No Z-Offset Adjust)
- Engineering polymer compatibility
- PLA, PETG, ABS, ASA, PC, PA, Flex, Carbon Blends
Connectivity & other
- Connectivity / smart features
- Wi-Fi, Ethernet, Prusa Connect, 360° Fan Shroud
- Net weight
- 7 kg
- Market status
- Available
- Best use cases
- Workhorse reliability, open-source repairability, engineering labs
Data quality
- Data confidence
- High
- Data sources
- https://www.prusa3d.com/product/original-prusa-mk4s-3d-printer/; https://www.prusa3d.com/category/3d-printers/; https://blog.prusa3d.com/back-to-school-2026-deals-are-here_137792/
Accessories for this printer
Browse all →Build plates
Q1 Pro Dual-sided PEI Plate
OfficialThis is a genuine dual-sided PEI build plate designed for the Q1 Pro. It provides strong adhesion for various filaments and allows for easy part removal after printing.
Q1-Pro Smooth Plate | Magnetic Double-Sided PEI/PEA
OfficialA magnetic build plate featuring a textured PEI side and a mirror-smooth PEA film side. It is engineered to improve adhesion and reduce warping on the Q1 Pro.
Sample Textured PEI Build Plate
Magnetic double-sided PEI sheet — great adhesion, easy removal.
Nozzles & hotends
Filament dryers & storage
Safety & ventilation
Spare parts
Cube 3 PLA Filament Cartridge
OfficialThis is a proprietary smart filament cartridge designed specifically for the Cube 3 printer. It features moisture-lock construction and communicates with the printer to track remaining material levels.
Carriage Plate for Prusa XL
OfficialA direct replacement carriage plate designed specifically for the Prusa XL printer. This part is essential for maintaining the mechanical integrity of the toolhead assembly.
Spare Parts Bundle for CORE One/+ (Maintenance Kit)
OfficialThis maintenance kit provides a comprehensive set of essential spare parts and fasteners specifically for the Prusa CORE One series. It includes critical components such as pre-lubricated bearings, a heatbed thermistor, cooling fans, and an assembled hotend.