ITEM NAME:2 Port 5 Gbps Speed PCI-E To USB 3.0 HUB PCI Expansion Card Adapter Description: Perfect chip welding, excellent workmanship, can maximize the elimination of interference and improve stability. Each interface is equipped with an independent interface protection insurance, in case of failure, the power supply can be cut off instantly to protect the computer from damage. Compliant with Single-Lane (x1) PCI-Express throughput up to 5Gbps. Built-in 4-pin power connector, available for some high current consumption peripherals, like HDD. Support Systemï ¼Å¡For Windows XP/win7/win8/win8.1/win10. Specification: Type: PCI Express to USB Card Interface: 2 Port USB 3.0 Data Transfer Rate: Up to 5.0 Gbps Compatible Slotï ¼Å¡PCI-E X1/X4/X8/X16. Material: Plastic+Metal Size: 120x70mm/4.72x2.76inch Package Includes: 1 Piece 2 Port USB 3.0 HUB PCI-e Adapter SKU: ALU0013568577014257.1 Piece 2 Port USB 3.0 HUB PCI-e Adapter. Interface: 2 Port USB 3.0. Support Systemï ¼Å¡For Windows XP/win7/win8/win8.1/win10.