PC: powered by AMD's new Ryzen AI HX 370 APU at 70W TDP with a Vapor Chamber, OCulink, DisplayPort 2.1 for $738.

PCIe superseded PCI and PCI-X. Unlike its PCI predecessor, which used a shared bus, PCI Express is a switched architecture of up to 32 independent, serial lanes (x1-x32) that transfer in parallel.