# Prusa MK4S

The Prusa MK4S lists a maximum nozzle temperature of 290 °C and lists a maximum bed temperature of 120 °C, according to https://www.prusa3d.com/product/original-prusa-mk4s-3d-printer-5/. Checked 2026-10-14.

Checked 2026-10-14.

- Maximum nozzle: 290
- Maximum bed: 120
- Enclosure: optional
- Stock nozzle hardened: no
- Direct drive: yes
- AMS or MMU: MMU3 (optional)

Prusa lists a 290 °C maximum nozzle temperature, a 120 °C maximum heatbed temperature, a Nextruder direct drive, and a brass CHT nozzle.

The comparison table on that page marks the enclosed chamber as not included, with an optional enclosure. MMU3 is optional.

- [Original Prusa MK4S](https://www.prusa3d.com/product/original-prusa-mk4s-3d-printer-5/)