PCI-E Express x4, USB 3.0 Expansion Card Adapter 1 to 4 PCIE Splitter (Mining)

SYONCON PCIe 1 to 4 Riser Card 4X, Pcie 4X Splitter 1 to 4 PCI Riser Card, 4 Risers into 1 PCI Card, PCIe Risers 4X to External 4 PCI-e USB 3.0 Adapter Multiplier for Bitcoin Miner Device. NOTE: The motherboard must be powered off before installation.

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