X16 PCI-E PCIe-Bifurcation 4 Card Power Expansion to Card 20.2mm to 1 Port Slots
1, PCIE X16 slot split 4 PCIEX4 (physical slot for X16). PCIE X16 split X4X4X4X4X4, SATA powered version. 2,need your motherboard BIOS support to change the corresponding slot PCIE working mode for X4X4X4X4X4.