Amazon.com: ASUS Mechanical Gaming Keyboard - ROG Strix Scope RX | Red Optical Mechanical Switches | USB 2.0 Passthrough | 2X Wider Ctrl Key for Greater FPS Precision | Aura Sync, Armoury
Amazon.com: Corsair K70 PRO RGB Optical-Mechanical USB-C Gaming Keyboard - OPX Linear Switches, PBT Double-Shot Keycaps, 8,000Hz Hyper-Polling, Magnetic Soft-Touch Palm Rest - NA Layout, QWERTY - White : Video Games
CORSAIR K65 PRO MINI RGB 65% Optical-Mechanical Gaming Keyboard Backlit RGB LED, CORSAIR OPX, Black CH-91A401A-NA - Best Buy
WTF are Optical Mechanical Keyboard Switches??? - YouTube