The Plugable 2.5GBPS USB Ethernet Adapter (USBC-E2500) is for users looking to move beyond Gigabit Ethernet. This versatile USB C to Ethernet adapter supports both USB-C and USB-A connections making it compatible with a wide range of modern legacy devices. With support for 2.5 Gigabit Ethernet adapter, you can leverage existing Cat 5e Ethernet cables and use less-costly switches to more than double the performance of your local network compared to traditional Gigabit Ethernet. Whether you're running Windows, macOS, or Linux, you can easily add 2.5 Gigabit Ethernet adapters to any system with an available USB 3.0 or USB-C port, thanks to the attached USB-C to USB-A adapter. Note: A driver download may be necessary on older operating systems or kernels. Most modern operating systems are plug-and-play. Features - Chipset: -Realtek RTL8156 -Link Rates: 100mbps (100BASE-TX), 1000mbps (1000BASE-TX), and 2500mbps (2.5GBASE-T) with Auto Negotiation -Additional Features: 9k Jumbo Frame Support, Auto MDI-X (Crossover Detection and Correction), and IEEE 802.1Q VLAN support (Depending on OS), and Power/Activity LEDs. In the Box - USB 2.5 Gigabit Ethernet Adapter with attached USB Type-C to USB Type-A adapter, Quick Install Guide