USB 3.0 PCI-E Card M.2 to PCIE Extender Riser 4 Port Extension Adapter Card s
Interface type: M.2 M Key PCIE. Number of interfaces: PCIE X1 x 4. Effectively solve the problem of insufficient PCI-E interface, this product can expand 4 PCI-E. colour: black. All 4 ports are PCI-E X1, USB.