PCI Express [PCIe, PCI-e]

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A new generation of Peripheral Component Interconnect, PCI Express is an I/O interconnect bus standard that expands on and doubles the data transfer rates of original PCI.

PCI Express is a two-way, serial connection that carries data in packets along two pairs of point-to-point data lanes, compared to the single parallel data bus of traditional PCI that routes data at a set rate.

Initial bit rates for PCI Express reach 2.5 Gbit/s per lane direction, which equates to data transfer rates of approximately 200 MB/s.

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