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  1. elliottcable

    MP 7,1 MPX Radeon Pro VII Duo runs two XDRs fine … until I install a second graphics card? WTF?

    So, this is super, super weird. I've got a 2019 Mac Pro spec'd out with the Radeon Pro Vega II Duo (MPX module), and two Pro Display XDRs attached to the VII Duo via Thunderbolt 3. As officially supported, of course: Prior to purchasing this Mac Pro, I was using an eGPU (Sonnet Breakaway...