Razer BlackWidow Ultimate MAC Elite Mechanical Gaming Keyboard The Razer BlackWidow Ultimate feature the all-new Razer Mechanical Switches that have been designed from the ground up with the aim of elevating the speed and responsiveness. Fully programmable keys + 5 additional gaming keys with on-the-fly macro recording Individually backlit keys with improved lighting Easy access media keys for convenient volume control and media playback Mechanical key architecture with distinct tactile feel and faster response 10 key rollover for extreme anti-ghosting