What makes ASUS ROG RX optical mechanical keyboard switches so special? | ASUS gaming keyboards featuring new ROG RX switches offer superior gaming performance and the most stable, tactile typing experience around.
What Is An Opto-mechanical Keyboard? | KnowTechie
Amazon.com: Razer Huntsman Gaming Keyboard: Fast Keyboard Switches - Clicky Optical Switches - Customizable Chroma RGB Lighting - Programmable Macro Functionality - Classic Black : Razer: Video Games
Optical Keyboards Have Us Examining Typing At Light Speed-ish | Hackaday