Reading data from a USB 3.0 SDXC card involves utilizing the enhanced speed capabilities of the USB 3.0 interface. The SDXC (Secure Digital Extended Capacity) card, with its large storage capacity, can be accessed at significantly faster rates compared to earlier versions of the SD cards when connected via a USB 3.0 port on your computer. This allows for quicker transfer times between devices, making it ideal for applications that require rapid data exchange, such as in professional video production or high-speed data transfer scenarios.