Pci Slot -

Pci Slot - pc pcie slot All modern PCs have PCIE RAM is never installed in a PCIE slot And no you can't install RAM in a USB port either pci 4 ssd in pci 3 slot 7 The PCI slots are standardized, The PCI-e slots depends upon number of lanes 8 The speed of a PCI slot is

pci 4 ssd in pci 3 slot Unless you transport the PC, the card is not suddenly gonna wiggle itself loose Just make sure it's properly in the slot and then screw it down

pciex4 slot All modern PCs have PCIE RAM is never installed in a PCIE slot And no you can't install RAM in a USB port either  PC motherboards This video explains everything you need to know about PCIe slots