Named after the legendary sword of King Arthur, the Excalibur offers gamers the power of switchable N-Key Rollover(NKRO) for full- anti-ghosting functionality or USB 6 N-Key Rollover. Depending on the requirements, , users can press any and all keys at the same time without worrying that some key may not be registered. A fast 1000Hz polling rate helps makes sure no keystroke is missed, and with instant game mode switching, users don"t have to worry about accidental key presses taking them away from the action. Comes in other mechanical switch colors!