Upgrade Or Expand A Desktop Computer/Server'S Usb Connectivity By Adding Four External Usb Type-A Ports - Usb Card Features 4X Independent Controllers Which Allow For Full 5Gbps Performance Per Port Simultaneously - Usb Pcie Expansion Card With Internal Sata And Lp4 Power; 5V 2A (10W) Per Port - Usb Expansion Card Works With Windows/Macos/Linux; Compatible With All Hardware Platforms Including Intel/Amd/Apple Silicon - Pci Express 2.0 X4; Standard Profile Bracket Pre-Installed.