Logitech K840 Mechanical Keyboard with Romer G Switches - Black 97855127990 | eBay
Logitech K840 Romer-G Review
Logitech unveils K840 Mechanical Keyboard with custom in-house switches
Logitech K845 Mechanical Illuminated Keyboard, Strong Adjustable Tilt Legs, Full Size, Aluminum Top Case, 104 Keys, USB Corded, Windows (TTC Red Switches) - Walmart.com