what HB Sli Bridge i should use?

Jul 23, 2018
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Hello:

im looking to use my aorus 1080ti with waterblock in SLI mode
(reference photo: https://static.gigabyte.com/Product/3/6341/2017061620261798_big.png )

the problem is i dont know what HB Bridge i should buy, im using in this way the VGA (my mobo is gigabyte gaming g1 x99 wifi)

https://scontent.fscl14-1.fna.fbcdn.net/v/t1.15752-9/37794263_154857128741523_7879053204556611584_n.jpg?_nc_cat=0&oh=35d6c2b485e1e908138c66f6191f216d&oe=5BD3630B

the red lines are what im using (1st PCI and the 5th)

thanks for your reply!