40W 60W 100W 808nm High Power CW CS Laser Diode Single Bar - AliExpress
40W High Power Laser Diode from Coherent / DILAS
Nichia 455nm 40W 5W*8 High Power Blue Laser Diode Bank NUBM0E LD Module
Amazon.com: xTool D1 Pro 40W Diode Laser Module Only for xTool D1 Pro 5W/10W/20W Laser Engraver Cutter, Higher Accuracy Laser Engraving Machine for Engraving 340+ Colors On Metal Steel, Better for Cutting
xTool D1 Pro 40W review: This 40W diode laser is really powerful
Amazon.com: LASER TREE 40W Laser Module, 5W Optical Output Power Laser Cutter Module w/Metal Air Assist, Compatible with Laser Engraver Laser Cutter Machines CNC, 45mm Fixed Focus 12V
Wood Working Tools Accessories | Laser Driver Laser Module | Laser Tree 80w Driver - 20w - Aliexpress