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  3. X40 Max vs Ray7S 40W

AtomStack X40 Max vs Longer Ray7S 40W

What X40 Max does better (3) and where Ray7S 40W wins (2) — every spec side by side.

AtomStack X40 Max
AtomStack · 2025X40 Max
7.4Score
3 advantages≈ US$850
vs
Longer Ray7S 40W
Longer · 2026Ray7S 40W
9.1Score
2 advantages≈ US$850
Higher score
5.0Precision8.7
9.1Work area5.3
5.6Safety8.3
5.2Features & ease of use6.9

Why is X40 Max better than Ray7S 40W?

  1. Work area (surface)3,200 cm² vs 946 cm²3.4×
  2. Work area width (X)800 mm vs 305 mm2.6×
  3. Work area depth (Y)400 mm vs 310 mm+29%

Why is Ray7S 40W better than X40 Max?

  1. Enclosed (fully covered)No · X40 Max: Yes
  2. Laser spot size0.1 mm vs 0.06 mm+67%
Specifications

Side by side

AtomStack X40 MaxAtomStack X40 Max≈ US$8507.4
Longer Ray7S 40WLonger Ray7S 40W≈ US$8509.1
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power—40 W
Work area
Work area800 × 400 mm305 × 310 mm
Work area width (X)800 mm305 mm
Work area depth (Y)400 mm310 mm
Work area (surface)3,200 cm²946 cm²
Speed & cutting
Max engraving / travel speed—600 mm/s
Max cutting depth – wood / plywood (one pass)25 mm—
Precision
Laser spot size0.1 mm0.06 mm
Linear railsYes—
Safety
Enclosed (fully covered)NoYes
Laser safety class—Class 1 (eye-safe, enclosed)
Flame / fire detectionNoNo
Emergency stop buttonYes—
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Offline engraving (no computer)—Yes
Connectivity & software
ConnectionsSD / USB driveWi-Fi
Wi-Fi—Yes
SD / TF cardYes—
Phone app controlYes—
Compatible softwareLightBurn, LaserGRBL—
LightBurn compatibleYes—
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