They may not. Going by the aftermarket EK waterblocks. The EK-FC770 only works on Palit and Gainward custom PCB design. So the Gainward is not using a reference layout and/or parts. Although that may only affect specific models. Likely not as they have none on the reference waterblock list. https://www.ekwb.com/configurator/waterblock/3831109868348
They may not. Going by the aftermarket EK waterblocks. The EK-FC770 only works on Palit and Gainward custom PCB design. So the Gainward is not using a reference layout and/or parts. Although that may only affect specific models. Likely not as they have none on the reference waterblock list. https://www.ekwb.com/configurator/waterblock/3831109868348