HIGH-PERFORMANCE USB CARD: Upgrade or expand a desktop/server's USB connectivity by adding four external USB Type-C 10Gbps ports and one internal USB Type-A 10Gbps port via a single PCI Express x4 connection FAST DATA TRANSFER: ASM3142 controller supports USB 3.2 transfer speeds of up to 10Gbps; Ideal for transferring large files or editing high-resolution photos/videos on external storage devices OPTIONAL POWER: USB PCIe expansion card with SATA power supplies additional power to the USB ports (when motherboard power is insufficient), providing up to 5V 3A (15W) per USB Type-C port and 5V 1.5A (7.5W) on the USB Type-A port COMPATIBILITY: Drivers auto-install in most OS's including Windows 8 & up, macOS, and Linux; Works with all hardware platforms such as Intel, AMD, and Apple Silicon that have a PCI Express x4/x8/x16 slot; Does not support DP-Alt Mode/USB Power Delivery STANDARD & LOW PROFILE BRACKET: PCI Express USB Expansion Card comes with a pre-installed standard profile bracket and includes a low-profile bracket for compatibility with small form factor (SFF) desktops and servers