Slot Types

PCIe To 2-Ch Adapter Type B for Raspberry Pi 5 pcie m 2 slot Im NOT talking about expansion cards to pcie slots Im talking purely some card pciex1 slot 2 standard contains variants with up to four PCIe lanes, one SATA 6 Gbs and or one USB port So it is possible to connect PCIe as well as SATA SSDs

pcie 4 gpu in pcie 3 slot is a slot that can interface with SATA , PCI Express