Kobra S1 ACE 2 Pro Combo vs Sidewinder X3 Plus

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

Kobra S1 ACE 2 Pro Combo and Sidewinder X3 Plus are two fused filament fabrication (fff/fdm) in a similar class. Choose Kobra S1 ACE 2 Pro Combo if max print speed matters more; choose Sidewinder X3 Plus if price matters more.

Parameter
Identity
Launch year 2026 2023
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) 599 € ~280–360 €
Price updated on 06/2026
Universal specs
Dimensions (W×D×H) (cm) 40 × 41 × 49 cm 49.2 × 50.7 × 61 cm
Weight (kg) 21.7 kg 16.6 kg
Work area (mm) 250 × 250 mm 300 × 300 mm
Z-axis height (mm) 250 mm 400 mm
Power (W) 1300 W
Maximum speed 600 mm/s 300 mm/s
Declared precision 0.1 mm
Category specs
XY print surface (mm) 250 mm 300.0 mm
Maximum Z height (mm) 250 mm 400.0 mm
Kinematics corexy cartesian
Max nozzle temperature (°C) 320 °C 300.0 °C
Max bed temperature (°C) 120 °C 100.0 °C
Max print speed (mm/s) 600 mm/s 300.0 mm/s
Closed chamber True
Filament sensor True
Auto leveling mesh mesh
Standard nozzle diameter (mm) 0.4 mm 0.4 mm
Multi-extruder False
Native Klipper True
Input shaper True
Multicolor printing true
Requires external accessory false
Maximum colors 8
Ecosystem
Cloud dependency No No
Software notes Compatible with the main slicers on the market. It supports cloud connectivity via the Anycubic app and Wi-Fi for remote monitoring, while still allowing offline use via USB. The STM32 board runs Marlin and communicates via USB Type-C or TF card; it works with any standard slicer (Cura, PrusaSlicer, Simplify3D) without proprietary restrictions. Lack of Wi-Fi requires physical transfer of G-code files, but ensures full offline control.

The differences that matter

  • Price: Kobra S1 ACE 2 Pro Combo 599 € vs Sidewinder X3 Plus 320 € — Sidewinder X3 Plus wins (+87%)
  • Max print speed: Kobra S1 ACE 2 Pro Combo 600 mm/s vs Sidewinder X3 Plus 300 mm/s — Kobra S1 ACE 2 Pro Combo wins (+100%)
  • Maximum Z height: Kobra S1 ACE 2 Pro Combo 250 mm vs Sidewinder X3 Plus 400 mm — Sidewinder X3 Plus wins (+60%)
  • Work area: Kobra S1 ACE 2 Pro Combo 250×250 mm vs Sidewinder X3 Plus 300×300 mm — Sidewinder X3 Plus wins (+44%)
  • Max bed temperature: Kobra S1 ACE 2 Pro Combo 120 °C vs Sidewinder X3 Plus 100 °C — Kobra S1 ACE 2 Pro Combo wins (+20%)

Which one to choose

Choose Kobra S1 ACE 2 Pro Combo if…

you value max print speed, max bed temperature and max nozzle temperature.

See the Kobra S1 ACE 2 Pro Combo sheet →

Choose Sidewinder X3 Plus if…

you value price, maximum z height and work area.

See the Sidewinder X3 Plus sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.