ASRock Cable (BTC PRO KIT) BTC_X16: 1x PCI-Express x16 Slot, 2x PCIE Signal Connectors, 1x PCIE Power Connector BTC-CARD-X1: PCI Express Gold Finger, 2x PCIE Signal Connectors, 1x PCIE Power Connector Cables: 2x PCIE Signal Cables, 1x PCIE Power Cable