Compatibility, including but not limited to the following models. If in doubt, please carefully compare the PCB pictures. As long as the PCBs are completely consistent, you can use this cold head. If in doubt, please consult me before purchase. DO NOT buy wrong model block.ASROCK 6900XT OC Formula 16GPlease judge whether the block can be applied to your graphics card according to the PCB, the position of the Core/VRAM/Capacitor/Inductor/Screw hole must be 100% compliant, the number of VRAM/Capacitor/Inductors may vary slightly depending on the card model.