PCI Express (Peripheral Component Interconnect Express), formally shortened as PCIe, is a high-speed serial PC development bus standard intended to supplant the older PCI, PCI-X, and AGP bus standards. PCIe has various upgrades over the older standards, including higher most extreme system bus throughput, lower I/O pin tally and littler physical foot shaped impression, better execution scaling for bus gadgets, a more point by point error identification and reporting instrument (Advanced Error Reporting, AER), and local hot-plug usefulness. Later modifications of the PCIe standard give equipment backing to I/O virtualization.
The PCI Express electrical interface is likewise utilized as a part of a mixture of different standards, most strikingly in ExpressCard as a tablet development card interface, and in SATA Express as a PC stockpiling interface.
Design specifications are kept up and grew by the PCI-SIG (PCI Special Interest Group), a gathering of more than 900 organizations that additionally keep up the ordinary PCI specifications. PCIe 3.0 is the most recent standard for development cards that is underway and accessible on standard personal computers. Be sure to check this out if your looking for computer memory upgrades.