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- Alpha MK2 Extended 20W vs H20 20W
Algolaser Alpha MK2 Extended 20W vs Ortur H20 20W
What Alpha MK2 Extended 20W does better (2) and where H20 20W wins (4) — every spec side by side.
vs
7.7Power & cutting7.1
5.3Speed5.3
8.2Work area5.9
6.0Safety7.4
8.2Features & ease of use9.7
Why is Alpha MK2 Extended 20W better than H20 20W?
- Work area (surface)1,640 cm² vs 1,260 cm²+30%
- Work area depth (Y)410 mm vs 300 mm+37%
Why is H20 20W better than Alpha MK2 Extended 20W?
- Enclosed (fully covered)No · Alpha MK2 Extended 20W: Yes
- Autofocus / auto heightNo · Alpha MK2 Extended 20W: Yes
- Two laser sourcesNo · Alpha MK2 Extended 20W: Yes
- Work area width (X)400 mm vs 420 mm+5%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm), Infrared diode (1064 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | Yes |
| Wavelength | 450 nm | 1,064 nm |
| Frame material | — | Aluminium |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Second laser output power | — | 2 W |
| Work area | ||
| Work area | 400 × 410 mm | 420 × 300 mm |
| Work area width (X) | 400 mm | 420 mm |
| Work area depth (Y) | 410 mm | 300 mm |
| Work area (surface) | 1,640 cm² | 1,260 cm² |
| Max workpiece height | — | 98 mm |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 333 mm/s | 333 mm/s |
| Precision | ||
| Laser spot size | 0.175 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | No |
| Emergency stop button | Yes | Yes |
| Tilt / movement sensor | — | Yes |
| Built-in fume filter / purifier | Yes | — |
| Exhaust fan | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | No | Yes |
| Rotary attachment support | Yes | — |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Connections | — | USB, SD / USB drive |
| Wi-Fi | — | Yes |
| USB | — | Yes |
| SD / TF card | — | Yes |
| Compatible software | LightBurn, LaserGRBL | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 650 mm | — |
| Depth | 730 mm | — |
| Height | 240 mm | — |
| Weight | 6.5 kg | — |
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