All Pci Slots. Since then motherboard manufacturers have included progressively fewer pci slots in favor of the new standard. All pcie versions are both backward and forward compatible but at a minimum level meaning that if you put a pcie 2 0 in a 3 0 slot you ll get 2 0 performance.
The pci express standard is one of the staples of modern computing with a slot on more or less every desktop computer made in the last decade. And in your case this block is blocking all pci slots and sata slots its causing more problems then its worth. If you intend to connect a device with the help of a pci you must read all the specifications and user manual before doing so.
On a new pc you might see a half dozen ports in three or four different sizes all labelled pcie or pci e.
Pci uses a shared parallel bus architecture in which the pci host and all devices share a common set of address data and control lines. In contrast pci express is based on point to point topology with. Following up on what we said about size earlier. From smallest to largest these slots are x1 x4 x8 and x16.
