Ethernet USB adapter connects a computer or Raspberry Pi 3 to a router modem or network switch for a Fast Ethernet (100 Mbps) network connection; Connect the USB Ethernet adapter to your laptop without an Ethernet portCost-effective USB network adapter for many computer applications that only require a 100 Mbps Ethernet connection; Use this convenient USB Lan adapter to replace a failed USB NIC or Ethernet port on an older computerPortable RJ45 to USB dongle weighs less than 1 ounce with a 6-inch cable tail to connect to your computer; Wired LAN USB adapter is more secure than most Wi-Fi connectionsFeature-filled USB to network adapter supports Preboot Execution Environment (PXE) Wake-on-Lan (WoL) Full-Duplex (FDX) and Half-Duplex (HDX) Ethernet Crossover Detection Backpressure Routing Auto-Correction (Auto MDIX); Supports IPv4/IPv6 protocols in 10BASE-T and 100BASE-TX networks; Supports MAC address pass-through (MAC clone) with the Cable Matters EZ-Dock utility software (Windows) Driver-free Simple installation USB to RJ45 adapter for most computers; Diagnostic LEDs on this Ethernet USB adapter verify the power connection and data transfer status; OS compatible Windows 11/10/ 8.1 /8/7/Vista/XP MacOS 10.8 and up Chrome OS and Linux for kernels up to 4.15; USB to RJ45 adapter is NOT compatible with Windows RT or Android