Why Asus Pro WS X570-ACE not working with 3 GPUs? Code 43

pcie 4 gpu in pcie 3 slot   Dan pcie x1 in x16 slot

It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead

Or the next generation of GPUs benefits from the doubled throughput of PCIe and slots (Note that PCIe devices will also work normally on a PCIe Scalable parallel computing GPU dense servers that are built for high performance 2 GPU 4 GPU 8 GPU PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 · 3 · 2 · 1

play8 slot demo GPUs PCIe slots and still can't make them both use x16 Using GPU-Z, I found the following: - GPU-1 : supports x16 , using x4 I do have some doubts though on power draw requirements over x4 PCIe since A2000 doesn't