Can someone explain me the PCI-E slot variations & sizes of

Riser Cards and PCIe Slots pcie slot sizes PCIE - The PCIE is Samtec's PCIe® Gen 3 compliant edge-card connector The PCIE -BE bottom entry option does not affect the pocket size -A alignment pin pcie2 slot The IO to PCIE spacing for slot '1' is standard between motherboard sizes as I understand it The rest then follow 'down' the

pcie slot gpu Some motherboard manufacturers offer a larger slot size , but the slot runs at a slower speed This keeps the