What is the difference in the red or green LED by the PCIe slots on my z87 Classified motherboard?

Last Update: 2015/05/14

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This LED indicates what PCIe Gen the slot is running at. Green is PCIe 2.0, and red indicates PCIe 3.0.

z87 z97 FTW Classified pcie pci-e lane slot led red green 59572

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