The red led from TAB key on my G512 SE failed after 50 months. After 5 days logitech sent to me a brand new G512 CARBON. I've hear many times about quality
Logitech G512 Carbon Gaming Keyboard Review - IGN
Gaming Keyboards - Wireless & Wired | Logitech G Canada
Logitech G Introduces New Mechanical Keyboard and Switch - GameSpace.com
Gaming Keyboards - Wireless & Wired | Logitech G Canada
Amazon.com: Logitech G512 Carbon LIGHTSYNC RGB Mechanical Gaming Keyboard with GX Brown switches - Tactile (Renewed) : Video Games
Logitech G512 Carbon Gaming Keyboard Review - IGN
Amazon.com: Logitech G512 Carbon LIGHTSYNC RGB Mechanical Gaming Keyboard with GX Brown switches - Tactile (Renewed) : Video Games