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- Alpha MK2 Extended 20W vs A40 Pro V2
Algolaser Alpha MK2 Extended 20W vs AtomStack A40 Pro V2
What Alpha MK2 Extended 20W does better (4) and where A40 Pro V2 wins (2) — every spec side by side.
vs
8.2Work area6.9
6.0Safety6.4
8.2Features & ease of use9.4
Why is Alpha MK2 Extended 20W better than A40 Pro V2?
- Built-in cameraYes · A40 Pro V2: No
- Work area (surface)1,640 cm² vs 1,540 cm²+6%
- Work area width (X)400 mm vs 385 mm+4%
- Work area depth (Y)410 mm vs 400 mm+2%
Why is A40 Pro V2 better than Alpha MK2 Extended 20W?
- Autofocus / auto heightNo · Alpha MK2 Extended 20W: Yes
- Flame / fire detectionNo · Alpha MK2 Extended 20W: Yes
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Wavelength | 450 nm | — |
| Laser power | ||
| Laser output power | 20 W | — |
| Work area | ||
| Work area | 400 × 410 mm | 385 × 400 mm |
| Work area width (X) | 400 mm | 385 mm |
| Work area depth (Y) | 410 mm | 400 mm |
| Work area (surface) | 1,640 cm² | 1,540 cm² |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 333 mm/s | — |
| Precision | ||
| Laser spot size | 0.175 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | Yes |
| Emergency stop button | Yes | — |
| Built-in fume filter / purifier | Yes | — |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | No |
| Autofocus / auto height | No | Yes |
| Rotary attachment support | Yes | Yes |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Compatible software | LightBurn, LaserGRBL | — |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 650 mm | — |
| Depth | 730 mm | — |
| Height | 240 mm | — |
| Weight | 6.5 kg | — |
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