Characteristics: Interface: USB3.0 can be compatible with USB2.0, USB1.1 backwards Product name: usb3.0 gigabit network adapter + 2 port 3.0hub Interface type: usb c, rj45 Transmission speed: 1000m (m/s) 1*HDMI 4K2K 30HZ System Support: Windows 8/7/Vista (32/64bit), XP, 2003/2000, Mac OS X, Linux Accessories Description: Subject, CD drive, Features: support 1000m ethernet, support hot-swappable, support 3 data hub transmission Support campus broadband network switch cat light brazing dial-up network internet access and so on and computer motherboard Own card compatible with the same as a separate mac address