Dear David,
Glad to get your message.
Yes, our water block BP-VG3080MV is compatible with the BP-EVB3090 back plate cooling too.
It is possible to achieve.
Here is the link, you can add the BP-EVB3090 with BP-VG3080MV to your shopping cart, and then they will have a special kit price.
If you have any questions, feel free to contact us.
https://shop.bitspower.com/index.php?route=product/product&product_id=7900&search=3080MV