PCI Express (PCIe) Explained As Fast As Possible.

This video provides everything beginners need to know about the PCI Express (PCIe) bus—the high-speed interface that connects the GPU, SSDs, and other peripherals to a computer’s motherboard. It covers the evolution of PCIe, detailing the different revisions from PCIe 1.0 to PCIe 7.0 and their respective speeds, along with the various slot sizes and lane configurations, including x1, x4, x8, and x16.

Additionally, the video explains how the physical size of a slot corresponds to the number of lanes, the flexibility of backward compatibility, and how M.2 slots utilize PCIe lanes to connect high-speed SSDs. It also looks at how PCIe devices connect directly to the CPU or chipset, and how this affects the performance. The video emphasizes the importance of understanding slot placement, motherboard design, and PCIe version compatibility to achieve optimal system performance in your build.

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