If you have a usb c equipped laptop but lack other important connection ports then this hub can help it couples your usb peripheral and rj45 network connections into a single convenient combination hub usb 30 is also known as usb 31 gen 1 through the usb c host connector this hub gives you three traditional usb a ports and a gigabit ethernet connection making it a must have laptop accessory plus the integrated 30 cm 12 in cable lets you place the hub your devices and your network