I'm looking at using either thunderbolt 3 to PCIE x16 or m.2 to PCIE x16 adapters to connect two extra RTX 3090s for deep learning.Benchmarking has shown the chipset bandwidth/latency drop doesn't affect the load from deep learning much.I have the z7...

Looking at options for installing a third graphics card (potentially via an extension PCIe cable + mounting bracket via the third PCIe 4x 4x/4xAlternatively, since the Thunderbolt 3 and 4 specifications include direct PCIe lane connection, I was also...