PCI Express is a very popular interface standard with the transfer rate ranging from 500MBit/s to 8GBit/s (PCIe 2.0) in each direction, providing a high-speed bus for many devices such as graphics cards, sound cards, NICs, and Modems for computers and other embedded applications. By taking advantage of the standard's high-speed switch mechanism, PCI Express has almost replaced the general-purpose PCI expansion bus, the high-end PCI-X bus and the AGP graphics card interface.
PCI eXtensions for Instrumentation PXI is one of several modular electronic instrumentation platforms in current use. PXI is designed for measurement and automation applications that require high-performance and a rugged industrial form-factor. In 2017, the global PXI market size was xx million