Simultaneously support 4 PCI-E X16 cards, non-interference. Onboard interface: 1 USB3.0 Type-A, 4 4Pin power port, 4 4 PCI-E X16 slot. Expander board size: 12 6.6 2.1cm /4.72 2.6 0.83in. 1 PCI-E slot board.
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