What is a PCI card used for?
Peripheral Component Interconnect (PCI) is the most common way to attach add-on controller cards and other devices to a computer motherboard. It is mainly used to connect hardware to the processor/SoC’s.
Can you put a graphics card (GPU) in a PCI slot?
Graphics cards connect to computers through three different connection types: PCI, AGP and PCIe.
What is the difference between PCI & PCIe?
PCIe (PCI Express®) is the more recently introduced standard for connecting devices to computers. The main difference between PCI and PCI Express is that the PCI is a parallel interface while PCI Express is a serial interface