4 Port USB 3.0 PCIe X1 Adapter Card: Add 4 x USB-A ports to PC via PCI-Express x1 slot. Then your PC can access 4 x USB-A devices at the same time, such as Keyboard, Mice, Speakers, KVM switch, etc
Work with High Power Consumption USB 3.0 devices: Each port can provide 5A2A load capacity, such as indusrial cameras, VR-Systems, USB 3.0 NVME enclosures. (Note: Not support fast charging, only support 5V/0.5A charging at max)
4 x USB-A 3.0 Port shares PCIe X1 Bandwidth: For PCIe 3.0 X1 slot, 4 x USB-A ports share 8Gbps bandwidth; for PCIe 2.0 X1 slot, 4 x USB-A ports share 4Gbps bandwidth.
Built in Self-Powered Technology: Powerd by PCI-Express 12V power supply, no need extra power supply
OS Compatibility: Plug-and-play in Windows/Linux (Note: Not support Mac OS)
For Windows XP, Vista, 7, please download and install the driver: https://drive.google.com/file/d/1paWXsGCgO1nf-DUlg5mN1DW83uqZ7nda/view
Installation: PCI-Express X1 slot installation
Mounting Bracket: 12cm Regular profile bracket for ATX case.