EVGA Z20 RGB Optical Mechanical Gaming Keyboard, Optical Mechanical Switches (Linear), 811-W1-20US-KR

TOF Proximity Range Sensor detects user movement to trigger the system awake or to send it to sleep
Light Strike LK Optical Mechanical switches with a low 1.5 mm travel to actuation, generating 25% faster response time compared to traditional mechanical switches. Featuring Linear switches with N-key rollover to ensure that you get exactly the type of feedback and experience you want.
Powered by a 32-bit Arm Cortex-M33 core USB microprocessor supporting 4,000Hz polling rate.Offering the most advanced gaming keyboard experience, 4K Hz is 4x more responsive and inputs can be more precise.
Per key RGB Lighting with left and right RGB light bars and 14 pre set lighting effects customizable via the UNLEASH RGB software
Five dedicated and programmable Macro E keys, customizable via the UNLEASH RGB software

EVGA Z20 RGB Optical Mechanical Gaming Keyboard, Optical Mechanical Switches (Linear)