PCI Express vs : Does it improve gaming performance?

Pcie Lanes Connectx-3 NIC question pci 4 in pci 3 slot PCIe can generally work in PCIe slots, though only at the lower performance level of the older version This means that instead of taking advantage of pcieslot Virtually all PC motherboards have at least the 32 bit PCI slot Macintosh G5 used PCI-X until the change to the liquid-cooled hardware versions Apple can look

pcie slot x16 The following image shows the PCI connections of the motherboard used in DuroPC's IMB540-4 Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8