If your worried about Ek Backplates fitting your Nvidia GTX 400 Series GPU, click on link to check compatability of your GTX 400.
Link - http://www.coolingconfigurator.com/
Click on start > in Quick search for your hardware enter your make of GPU, and it should come up with a Waterblock + Backplate that fit's your GPU, if it's listed.
Link - http://www.coolingconfigurator.com/
Click on start > in Quick search for your hardware enter your make of GPU, and it should come up with a Waterblock + Backplate that fit's your GPU, if it's listed.
