Expand your desktop connection with this 4 port PCIe to USB3.2 expansion card, delivering fast speed 10Gbps transfer for multiple devices. USB 3.2 interface - faster and more efficient. Provides 4 USB 3.2 ports, each with a transfer rate of up to 10Gbps, for a total bandwidth of 40Gbps. Suitable for professionals needing expanded USB capacity, including industrial equipment operators, and workstation builders managing multiple peripherals. for data intensive setups, or gaming rigs requiring simultaneous connection to external drive, cameras, and high bandwidth usb3.2 accessories. This PCIe expansion card simplifies usb3.2 upgraded for desktop computers lacking port. Specification Product Name: USB 3.2 Expansion Card Expansion Interface: USB 3.2 Gen2*4 Interface Speed: 10Gbps Bus Speed: 40Gbps Bus Specification: PCI-E X4 (Compatible with X8/X16) Support system: XP/WIN7/WIN8/WIN8.1/WIN10 . Color: Black Material: PCB+Metal Package Contents: 1 x 4-port USB 3.2 PCIE Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.