SLI'ing Saphire 290's issue.

[Conditions]

Hello, I'm building my computer and I can't seem to find the sli slot on these cards? http://www.newegg.com/Product/Product.aspx?Item=N82E16814202080&cm_re=saphire_r9_290-_-14-202-080-_-Product

 

[Suztera]

It'S SLI for Nvidia, Crossfire for AMD cards.
You don;t need a crossfire bridge since it is done through the PCIE slots.
just plug both cards in and enable crossfire in AMd Catalyst.