Features: Brand new and high quality. This 4-port USB PCI-E card supports USB 3.0, providing fast data transfer speeds. It's powered by the PCI-E interface, ensuring stability and safety. The USB PCI-E expansion card features a PCI-E x1 bus interface, allowing you to connect it to x4, x8, or x16 graphics card interfaces. The USB PCI-E riser card is easy to install and designed with an LED indicator light for easy status monitoring. The PCI-E x1 to USB adapter is user-friendly and compatible with many types of computer operating systems. The PCI-E to USB adapter provides 4 USB PCI-E ports, giving you more ports to connect to. Specifications: Bus Interface: PCI-E x 1. (for x4, x8, x16/graphics card interfaces). Interface: PCI-E x4 USB interface. Size: approx. 120x68x58mm/4.72x2.68x2.28in. Compatible System: Replacement for DOS, Linux, WinXP/Win7/Win8/Win10. Note: Please allow 0-1 cm error due to manual measurement. Ensure you don't mind before bidding. Due to the difference between different monitors, the image may not reflect the actual color of the item. Thank you! Package includes: 1x PCI-E riser card