The introduction of PCI Express (PCIe), which started to supplant conventional PCI slots in the early 2000s, marked the most significant advancement in PCI technology. In contrast to its predecessors, PCIe employs a point-to-poinielts slots bookingt architecture that greatly expands bandwidth by enabling multiple lanes of data transfer. Modern PCIe 4.0 and PCIe 5.0 versions offer even faster speeds, with each lane capable of transmitting data at up to 1 GB/s in each direction. As a result of this evolution, there are now different slot sizes available, such as x1, x4, x8, and x16 configurations, enabling users to select the best slot for their needs and the capabilities of their expansion cards.
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