This GPU water block is only compatible with video cards use NVIDIA RTX 4090 Reference Edition. If you are not sure about the compatibility, please feel free to contact us for verifying the compatibility. The full coverage water block solve the issue of heat generation during high load, on the GPU core, voltage regulation module, and the VRAM of the graphic card. The backplate and thermal pads are included. 2pcs of copper compression fittings for 16mm OC rigid tubings are also included. However, if you need the other sizes of fittings, please let us know after finished the payment, we can change them for you. Thanks. The individually addressable A-RGB LED is compatible with most of popular RGB sync technologies from all major motherboard manufacturers. The arrow marking on the 3-pin A-RGB LED connector is to be aligned with the +5V marking on the A-RGB (addressable) header. NOT for the 12V lights version.
