Corsair K100 RGB OPX Optical Mechanical Switch Wired Keyboard (CH-912A01A-NA) - Form Factor: Extended with macro keys, Lighting: RGB, Key switches: Corsair OPX, Matrix: 110 Keys, USB Polling Rate: Up to 4,000Hz with AXON, On-Board Memory: 8MB, Number Onboard profiles: Up to 200 depending on complexity, Connectivity: Wired, Wired Connectivity: 2 x USB 3.0 or 3.1 Type-A, Color: Black