Wanted recommendation : pcie to card

As Zef said, PCI-e is backwards compatible You can put a PCI-e GPU into a slot or a PCI-e GPU into a slot, it'll just run

PCIe x16 Slots 1 2 3 4 7 5 AMD B550 Ryzen AM4 Gaming ATX motherboard with PCIe® , teamed power stages, Intel®

pcie 20 x16 slot At its top end, PCIe devices deliver about 4 gigabytes per second using an eight-lane PCIe card Vendors are starting to bring PCIe SSDs to

pcie x 16 slot  It's not a question of efficiency ( whether or not it's justifiable to use expensive card designed for 16x PCIe in 4x slot of PCIe