Can a PCIe graphics card work on a PCIe slot?

& PCIe Lane Configurations for B550 Unify Unify-X using pcie 4 in 3 slot After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes locinox slot onderdelen Both PCIe and slots can be configured with x1, x2, x4, x8, and x16 lanes, but PCIe slots have a higher transfer rate per lane and

best time slot for gir safari Sometimes, a PCIe slot operates with fewer data lanes than the mechanical slot-type indicates Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8