The compact high-speed adapter AXAGON ADE-SR makes a USB 3.0 port simply a Gigabit Ethernet 10/100/1000Mbit port. In addition to Gigabit permeability, the network card also offers a wide range of functions, e.g. IPv4/IPv6 checksum for reducing CPU usage by checksums, crossover detection and autocorrection, TCP Large Send Offload, support of various modes of wake-on-LAN function, VLAN accuracy or advanced features of Power Management. In modern operating systems (Windows 8.1 and above), the adapter allows easy automatic installation even without internet connection. This Gigabit network card expands the computer with a fast network connection, adds it to a missing RJ-45 power plug, adds another network card to it or replaces original unworking power connection. Thanks to the support of all modern versions of operating systems Windows, MacOS X and Linux, it can be equipped with any