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While this is off topic… PCI Express … is a bus interface for very high throughput, very low latency communication between internal and more recently peripheral computer hardware components. Ethernet … is a physical network interface for high throughput, low latency communication between computers in a local area network. It is not restricted to ...


PCIe is used to communicate with your local network card. The actual network card uses the ethernet protocol to communicate with external network devices. These protocols can also be used within the OS to emulate such devices as well. Here is an extremely basic graphical depiction that I put together for you: Additionally, please note that ethernet is ...

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