Posts Tagged: PCIe Expansion Card

What are PCI and PCI Express? (Source: STC-Cable)

Posted filed under Consumer Electronics.

Are you confused about PCI and PCIe? If you don’t know how to distinguish them, you can read this article which explains their differences in 4 aspects: functionality, appearance, speed, and compatibility.
What are PCI and PCI Express?
In a computer, if different devices want to exchange data, they must do so over a certain channel (i.e., a bus). A bus is a universal communications backbone used to transfer information between the various functional components of a computer. It is a transmission harness composed of wires. PCI and PCIe are both buses.