Logitech G413 Backlit Mechanical Gaming Keyboard with USB Passthrough – Carbon | eBay
Amazon.com: MOUNTAIN Everest Max Mechanical Gaming Keyboard - USB Passthrough - Cherry MX Hot-Swappable Switches - RGB Backlit (Midnight Black, Red - Linear & Quiet) : Video Games
USB Passthrough - Mechanical Keyboard
What is USB Passthrough on a Keyboard? - Switch and Click