Thanks Randy. In theory, the x16 is nearly twice the throughput of the x8. But I don’t know about the real-world results. I’ve read articles that PCIe3 and 4 are the same difference, and then there are articles that say they’re vastly different.
The Helios 3S is limited to 75watts. It will take cards up to x16 mechanical, but will not operate them if they’re not greater than x4. Maybe Apple will support PCIe4 in their new tower… and maybe adsk will update the text tool
The 8M2, fully populated in a PCIe3 x16 will deliver 12,000mbs. 26,000mbs in a PCIe4 x16.