PCIe 8.0: Doubling Bandwidth for the AI Era

PCI-SIG recently announced the PCIe 8.0 specification, slated for a 2028 release, which will double the throughput of PCIe 7.0. This means a PCIe 8.0 x16 link will boast an incredible 1TB/s of bandwidth. This surge is driven by the rapid advancement of AI and the consequent demand for faster interconnects. Charts illustrate the doubling of PCIe bandwidth every three years, and considering system-level increases in controllers and lanes, the cumulative I/O bandwidth growth is even more substantial.
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