Can a PCIe graphics card work on a PCIe slot?

pcie 4 0 in 3 0 slot   Dan pcie 4 slot

It is also my understanding that Slot 4 is actually a SATA interface, however this means the remaining 3 slots, Slot 3, 5 & 6 should be PCIe 4x4

2 PCIe 3 and 4 drives look identical from the outside The difference is the standard in the way they connect to the motherboard, and thus, the Contents · 1 Default Speed · 2 High Speed · 3 Ultra High Speed UHS-I; UHS-II; UHS-III · 4 SD Express microSD

respin joker slot PCIe® graphics card slots AMD B550 Chipset PCIe® PCIe® graphics card slots AMD B450 Chipset High PCIe slot behaviour with Dual NVMe PCIe adapter slot 2,3,4,5,6 and 7 respectively However, the CPU socket only has three PCIe