PCI-E 1 X 1 to 3 Port 1X Switch Multiplier Expander HUB Riser Expansion Card + USB Cable The perfect solution for expanding PCI-e support in crowded systems or on motherboards with limited or minimal PCI-e ports. Plug & Play compatibility with Windows 7, 8, 8.1, and 10, and most Linux distributions. "PCI standard PCI-to-PCI bridge" Drivers should auto-install upon detection. Solid capacitors provide stable power delivery. Supports 3 PCI-E 1X devices. Compliant with PCI express 2.0 & 1.1 Specification.