Amazon.com: Gateron Low Profile Switch Red Blue Brown Axis KS-27 3Pin for Low Profile Switches Mechanical Keyboard K1 K3 K7 NuPhy Air7 (Red 10 PCS) : Industrial & Scientific
What are the differences between red, brown, blue and black switches in a mechanical keyboard? Which one is preferred by gamers/typers (in terms of performance)? - Quora
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