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  3. Alpha MK2 Extended 40W vs H20 20W

Algolaser Alpha MK2 Extended 40W vs Ortur H20 20W

What Alpha MK2 Extended 40W does better (3) and where H20 20W wins (4) — every spec side by side.

Algolaser Alpha MK2 Extended 40W
Algolaser · 2024Alpha MK2 Extended 40W
6.8Score
3 advantages≈ US$1,100
vs
Ortur H20 20W
Ortur · 2024H20 20W
8.3Score
4 advantages≈ US$1,450
Higher score
9.0Power & cutting7.1
5.3Speed5.3
7.0Work area5.9
6.0Safety7.4
8.2Features & ease of use9.7

Why is Alpha MK2 Extended 40W better than H20 20W?

  1. Laser output power40 W vs 20 W2×
  2. Work area (surface)1,544 cm² vs 1,260 cm²+23%
  3. Work area depth (Y)386 mm vs 300 mm+29%

Why is H20 20W better than Alpha MK2 Extended 40W?

  1. Enclosed (fully covered)No · Alpha MK2 Extended 40W: Yes
  2. Autofocus / auto heightNo · Alpha MK2 Extended 40W: Yes
  3. Two laser sourcesNo · Alpha MK2 Extended 40W: Yes
  4. Work area width (X)400 mm vs 420 mm+5%
Specifications

Side by side

Ortur H20 20WOrtur H20 20W≈ US$1,4508.3
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm), Infrared diode (1064 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoYes
Wavelength450 nm1,064 nm
Frame material—Aluminium
Laser power
Laser output power40 W20 W
Second laser output power—2 W
Work area
Work area400 × 386 mm420 × 300 mm
Work area width (X)400 mm420 mm
Work area depth (Y)386 mm300 mm
Work area (surface)1,544 cm²1,260 cm²
Max workpiece height—98 mm
Work-area extension kitYes—
Speed & cutting
Max engraving / travel speed333 mm/s333 mm/s
Precision
Laser spot size0.175 mm—
Safety
Enclosed (fully covered)NoYes
Laser safety class—Class 1 (eye-safe, enclosed)
Flame / fire detectionNoNo
Emergency stop buttonYesYes
Tilt / movement sensor—Yes
Built-in fume filter / purifierYes—
Exhaust fan—Yes
Features
Air assistYesYes
Built-in cameraYesYes
Autofocus / auto heightNoYes
Rotary attachment supportYes—
Offline engraving (no computer)Yes—
Connectivity & software
Connections—USB, SD / USB drive
Wi-Fi—Yes
USB—Yes
SD / TF card—Yes
Compatible softwareLightBurn, LaserGRBLLightBurn, LaserGRBL
LightBurn compatibleYesYes
Size & power
Width692 mm—
Depth585 mm—
Height200 mm—
Weight8.4 kg—
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