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Prusa MK4S

Ranked #9 of 17 in Best Open-Frame 3D Printers: Bambu A1, Prusa MK4S, Kobra, Neptune, Sovol SV08 (2026). Here is every spec we scored, where it came from, and how it compares.

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#9

Prusa MK4S

Best for: Prusa's bed-slinger with load-cell first-layer calibration

5.0/10

What we like

  • 120 °C bed
  • MMU3 upgrade

Watch out for

  • Smaller volume than 256 mm rivals
  • Prusa doesn't publish speed figures

Score breakdown

Build volume 25%
Multi-color system offered 20%
Max acceleration * 20%
Max nozzle temperature 15%
Max bed temperature 10%
Built-in camera listed 10%

* Not published by the manufacturer; scored at the category median so missing data neither helps nor hurts.

Build volume11.6 L
Multi-color system offeredYes
Max accelerationNot listed
Max nozzle temperature290 °C
Max bed temperature120 °C
Built-in camera listedNo
Build volume250 × 210 × 220 mm
Max nozzle temp290 °C
Max bed temp120 °C
CalibrationAutomatic mesh bed leveling with load-cell sensor
Multi-materialMMU3
CameraOptional add-on
Weight7 kg (without spool)
AccelerationNot published
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Specs source:

Prusa MK4S head-to-head

Head-to-headBambu Lab A1 vs Prusa MK4S Featured inBest 3D Printers for Beginners (2026)

How it compares

Open the full comparison table

Flashforge Creator 5
7.6/10
#1 · Four independent toolheads without the enclosure
Sovol SV08 Max
7.0/10
#2 · A 500 mm cube with 50 mm³/s flow
Prusa XL+ (5-head)
7.0/10
#3 · A 360 mm toolchanger with up to five heads
Sovol SV08
6.8/10
#4 · An open CoreXY with a 350 mm bed and 40,000 mm/s²
Anycubic Kobra 4
6.1/10
#5 · A 260 mm gantry printer aimed at beginners
Anycubic Kobra X
6.1/10
#6 · Native 4-color printing, expandable to 19
Anycubic Kobra 3 Max V2
6.0/10
#7 · A 420 × 420 × 500 mm bed-slinger
Bambu Lab A1
5.5/10
#8 · A 256 mm bed-slinger with full auto-calibration and AMS lite
Flashforge AD5X
4.9/10
#10 · A 220 mm CoreXY with a 4-color IFS module
Bambu Lab A1 mini
4.3/10
#11 · A 180 mm desk-size printer with AMS lite
Elegoo OrangeStorm Giga
4.0/10
#12 · An 800 × 800 × 1000 mm giant
Elegoo Neptune 4 Plus
3.9/10
#13 · 320 × 320 × 385 mm with 121-point leveling
Elegoo Neptune 4 Max
3.8/10
#14 · 420 × 420 × 480 mm for helmets and cosplay
Sovol SV06 ACE
3.2/10
#15 · A Klipper bed-slinger with a camera
Elegoo Neptune 4 Pro
3.1/10
#16 · A Klipper bed-slinger with a 110 °C bed
Flashforge Adventurer 5M
2.2/10
#17 · Flashforge's open-shell 220 mm CoreXY