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  3. S30 Ultra 11W vs SF-A9 20W

Sculpfun S30 Ultra 11W vs Sculpfun SF-A9 20W

What S30 Ultra 11W does better (3) and where SF-A9 20W wins (2) — every spec side by side.

Sculpfun S30 Ultra 11W
Sculpfun · 2023S30 Ultra 11W
8.3Score
3 advantages≈ US$400
vs
Sculpfun SF-A9 20W
Sculpfun · 2023SF-A9 20W
8.4Score
2 advantages≈ US$500
Higher score
6.5Power & cutting8.1
6.7Precision5.0
9.4Work area7.7
5.6Safety7.1
6.9Features & ease of use7.4

Why is S30 Ultra 11W better than SF-A9 20W?

  1. Work area (surface)3,510 cm² vs 1,600 cm²2.2×
  2. Work area depth (Y)595 mm vs 400 mm+49%
  3. Work area width (X)590 mm vs 400 mm+48%

Why is SF-A9 20W better than S30 Ultra 11W?

  1. Laser output power11 W vs 20 W+82%
  2. Flame / fire detectionNo · S30 Ultra 11W: Yes
Specifications

Side by side

Sculpfun SF-A9 20WSculpfun SF-A9 20W≈ US$5008.4
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Wavelength455 nm450 nm
Frame materialAluminium—
Laser power
Laser output power11 W20 W
Work area
Work area590 × 595 mm400 × 400 mm
Work area width (X)590 mm400 mm
Work area depth (Y)595 mm400 mm
Work area (surface)3,510 cm²1,600 cm²
Work-area extension kitYes—
Speed & cutting
Max engraving / travel speed—600 mm/s
Max cutting depth – wood / plywood (one pass)—20 mm
Precision
Laser spot size0.1 mm0.1 mm
Positioning accuracy0.005 mm—
Linear railsYesYes
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoYes
Emergency stop buttonYesYes
Tilt / movement sensor—Yes
Laser shield / filter coverYes—
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment support—Yes
Connectivity & software
ConnectionsUSB, Wi-Fi, BluetoothUSB, Wi-Fi, Bluetooth
Wi-FiYesYes
USBYesYes
BluetoothYesYes
Compatible softwareLightBurn, LaserGRBLLightBurn, LaserGRBL
LightBurn compatibleYesYes
Size & power
Width—606 mm
Depth—665 mm
Height—110 mm
Weight—6.2 kg
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