Pci Express Sata3.0 Interface 4 Port Extenders Pci-e X1/x4/x8/x16

Bus Type: PCI-E X1 compatible with PCI-E X4, X8, X16, and other interfaces. Bus Speed: PCI-E 3.0. The three modes can be selected by pulling the switch. Interface: Standard SATA 3.0. Four layers of circuit board, with an isolation layer in the middle, stronger anti-interference ability.