Dear Yong Cao Thank you for contacting us. I'm sorry for being late! We received a lot of requests and we process them in chronological order.
EK-Quantum Vector RE RTX 3080/3090 Active Backplate is not compatible with ROG-STRIX-RTX3090-O24G-GAMING
If you have any other questions or need any additional help, please feel free to ask :) Best regards Marian (Additionally, due to increased workload, our current request processing may be up to 2 business days. Thank you for your patience and understanding.)