4x RX 6900 XT Not Fully Recognized on Z10PA-U8 Motherboard, Seeking Help
nuclearping · reddit · 2026-08-16
Reddit user nuclearping attempts to run 4 AMD RX 6900 XT and an NVIDIA GT 710 on an ASUS Z10PA-U8 motherboard, but only 2 AMD GPUs are recognized. He tested various slots and risers, finding x16-to-x16 risers work in certain slots, but x8 slots fail to recognize AMD GPUs. Currently running 3 GPUs at 30 t/s. He seeks motherboard suggestions or solutions.
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