Hello Avarice, No, sorry that we don't have the water block forĀ ASRock Z390 Phantom Gaming X. We have the one forĀ ASRock Z390 Phantom Gaming 9, but it is not compatible with Gaming X. https://shop.bitspower.com/index.php?route=product/product&product_id=7168&search=BP-MBASRZ390TC