Is there an alternative to C-Payne for 100-lane PCIe 5.0 switches? Needed for 8-GPU build.

Sadly Christian is on vacation or something, which is a shame because the C-Payne PCIe gear is the best around. In the meantime I need this to add some urgent compute capacity: https://c-payne.com/products/pcie-gen5-mcio-switch-100-lane-microchip-switchtec-pm50100?variant=51589360058635

It's 100 lanes of PCIe 5.0 broken out as five x16 downlinks + 1x x16 uplink in MCIO form factor. They're sold out, and with nobody in the C-Payne office to help I'm stuck looking for alternatives.

Is there a competing product? This seems like a very niche space.

Thanks for any help.

Edit: seems like C-Payne is the only real game in town. I shall do my best to exercise patience and let the man have a break in peace!