USB 3.0 defines a new, 10x faster SuperSpeed bus (a bus speed of 5 Gbps) that operates parallel to the USB 2.0 bus.

How to use USB device in C#?

To use the USB device in your C# application, you can use libusb (from www.libusb.org) which is a library that gives user level applications uniform access to USB devices across many different operating systems.

There is also another library called LibUsbDotNet (from libusbdotnet.sourceforge.net) that is a .NET C# USB library for WinUsb, libusb-win32, and Linux libusb v1.x developers. All basic USB device functionality can be performed through common device classes allowing you to write OS and driver independent code.

LibUsbDotNet is a development tool written for .NET software developers who need a fast and easy way to create a custom USB driver solution for Unix-like and Windows platforms. LibUsbDotNet 2.1.0 and above supports the genuine libusb-win32 driver package. However, access to basic device information via the Windows registry is not available. LibUsbDotNet features full support for WinUSB and extended kernel level support for libusb-win32. It also allows common device classes a single code base to support multiple drivers and platforms, and includes a wizard utility for generating USB installation packages and removing devices.
LibUsbDotNet also features device discovery using either of the following criteria: VendorID or ProductID, Device Interface GUID, Revision Code, and Serial Number.