Rosewill Mechanical Keyboard with Cherry MX Black Switch (RK-9000BL) Highly durable professional gaming keyboard Extremely responsive and accurate for hours of comfortable gaming Gaming-grade lifetime: 50 million clicks Durable red metal inner chassis Cherry Black Switches: linear feeling with normal operating force, 50 million life cycle of the switch, comfortable typing for long term use, fast response on each key Laser printing design for the keycap Gold plated USB and PS/2 connector to ensure low latency High quality braided cable