FASTER THAN GIGABIT-Add a new generation of Ethernet to your existing PC with more than double the performance of a traditional Gigabit Ethernet connection. KEEP USB UNIVERSAL-This network adapter includes an attached USB-C to USB-A adapter, allowing you to easily use it with any type of USB port you may have (USB 3.0 required for full performance) USE EXISTING CABLING-2.5 Gigabit Ethernet signals are designed to work on existing Category 5e cabling. Simply add 2.5Gbps-capable switches to your network and add these adapters for substantially faster LAN transfers OS COMPATIBILITY-Works with all modern versions of Windows (10, 8.x, and 7), macOS (10.7 and above), and Linux (Kernel 3.2 and above). However, a driver download and install may be required on older OS and Kernel versions 2 YEAR WARRANTY-We love our Plugable products, and hope you will too. This product is covered by a 24-month limited warranty as well as Seattle-based email support 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 2.5 Gigabit Ethernet For businesses and home users looking to move beyond Gigabit Ethernet, there have been few cost-effective options. 10 Gigabit solutions often require very expensive upgrades to cabling, network adapters, and equipment like network switches. With 2.5 Gigabit Ethernet adapters, 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. Quick and Easy Upgrades 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.