50% off - strictly while stocks last! (normally $159) The EK-FC980 GTX Strix is a high performance full-cover water block for ASUS design GeForce GTX 980 Strix series graphics cards. This water block directly cools the GPU, RAM as well as VRM (voltage regulation module) as water flows directly over these critical areas thus allowing the graphics card and it's VRM to remain stable under high over clocks.