GPU on PCIE 1x possible?

The Matrox C900 PCIe x16 graphic card powers nine displays from a single board to easily build 3x3 video walls P690 Plus LP PCI Matrox P690 Plus LP PCI -

✓ Mini PCIe to 3 PCIe 1x adapter expands 3 PCI express 1x slot via your motherboard with mini PCIe can use 3pcs PCI express card (Sound Card , Network

pcie 40 in 30 slot In ASUS 「PCIe x16 Slots - 1」

pcie 30 x1 slot PCIe lanes are limited on consumer platforms, so odds are if you have two x16 slots, they share bandwidth, and having a GPU in one will limit