50% off - strictly while stocks last! (normally $149) The EK-FC980 GTX TF5 is a high performance full-cover water block for MSI non-reference design NVIDIA GeForce GTX 980 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 its VRM to remain stable under high over clocks.