"The USB 3.0 to RJ45 adapter Based USB 3.0 to Gigabit Ethernet Adapter adds Gigabit Ethernet network connectivity to a laptop or desktop through a USB port. Backward compatible with USB 2.0 / 1.1 standards, the adapter is a versatile accessory for replacing a broken internal network card on either a desktop or laptop, adding a separately-routable network interface, or transferring files at super fast speed over an Ethernet port.
Specifications
Compatible with IEEE 802.3, IEEE 802.3 u, IEEE 802.3 ab
Supports IEEE 802.3 az (Energy Efficient Ethernet)
Upstream port type: USB 3.0 type A
Downstream port type: Ethernet (RJ45)
System Requirements
Supports Windows 2000 / XP / Vista / 7 / 8(32/64-bit), Mac OS 10.6 or higher. Do NOT support Windows RT and Android, Wii, Wii U, Nintendo Switch. "