The Razer BlackWidow Ultimate features the all-new Razer Mechanical Switches which were designed from the ground up to elevate the speed and responsiveness of the Razer BlackWidow gaming keyboard beyond the capabilities of previous generation mechanical switches. The individually backlit fully programmable keys allow for advanced dynamic lighting effects that allow gamers to take complete control of the keyboard’s lighting system for a truly personalized gaming experience. Multi-Award Winning Razer Mechanical Switches: Designed specifically for gaming, the Razer Mechanical Switch actuates at an optimal distance, giving you speed and responsiveness like never before. The Razer Mechanical Switch has been lauded as the new standard for all mechanical gaming keyboards since its introduction. Individually backlit keys with dynamic lighting effects: The all-new Razer BlackWidow Ultimate features individually programmable backlit keys along with dynamic lighting effects all set easily through Razer Synapse. Engineered for Durability: No matter how intense your gaming marathons get, each Razer Mechanical Switch is engineered to withstand up to 60 million keystrokes, so you’ll enjoy the Razer advantage for years.