Dear Customer,
Glad to get your message.
Do you have the PCB photo of the TUF 4090 that you are asking for?
Our water blocks BP-VG4090AST and BP-VG4090AST-V2 are compatible with the following TUF 4090 series. They should fit your TUF 4090 too.
If you have the PCB photo,
please send it to shopservice@bitspower.com.tw, thank you.
We will confirm and reply to you ASAP.
ASUS TUF Gaming GeForce RTX 4090
ASUS TUF Gaming GeForce RTX 4090 OC Edition
https://shop.bitspower.com/index.php?route=product/search&search=BP-VG4090AST