Connect your Laptop or Desktop computer to a wired network in seconds with the Aleratec USB 3.0 to Gigabit Ethernet Network Adapter. Simply connect it to your USB 3.0 port and the RJ 45 jack provides an Ethernet port to connect to your network. The Adapter gets its power through the USB connection, so no power cord is necessary. It"s also backward compatible with both USB 2.0 and 1.1 ports (speed is limited by the USB bus). It"s also fully compliant with IEEE 802.3 (10base-T Ethernet), IEEE 802.3u (10Base-TX Fast Ethernet) as well as IEEE 802.3z (100Base-T Gagabit Ethernet) and supports features such as Microsoft® NDIS5 Checksum Offload (IP, TCP, UDP) and Largesend offload, Jumbo Frames, Auto-Negotiation with Next page capability making it the perfect network adapter for Road warriors and Desktop users alike. Driver support included for 64bit and 32bit Windows 8, Win7, XP and Mac.