Features: This 7-port USB PCI-E card supports USB 3.0, providing fast data transmission speeds, and is powered by the PCI-E interface for stable and secure performance. The PCI-E extender card features a PCI-E x1 bus interface, compatible with 4x, 8x, and 16x slots, including graphic card interfaces. This PCI-E x1 to USB adapter is easy to use and compatible with various computer operating systems. The PCI-E to USB adapter provides 7 USB ports, expanding connectivity options for multiple devices. Specifications: Bus interface: PCI-E x1 (compatible with 4x, 8x, 16x slots) Interface: 7 USB ports Size: approximately 120mm Compatible systems: Windows XP, Windows 7, Windows 8, Windows 10, Linux, DOS Note: Please allow 01 cm error due to manual measurement. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package includes: 1 x PCI-E Riser Card