100/1000/2.5Gbit PCI-Express Network Adapter, TP-Link TX201//Blazing Speed - 2.5 Gigabit Ethernet unlock the highest performance of your Multi-Gig bandwidth and devices. Whether local data transfer or Internet access, the TX201 is up to the task.†Versatile Compatibility - With extreme speed and ultra-low latency, 2.5GBase-T is backwards compatible with Fast Ethernet and Gigabit Ethernet, automatically negotiating between higher and lower speed connections.Low-Profile and Full-Height Brackets - In addition to the standard bracket, a low-profile bracket is provided for mini tower computer cases. Customized options give you the flexibility to find a bracket that perfectly fits your board design.Comprehensive System Support - Fully compatible with Windows 11/10/8.1/8/7, Windows Servers 2022/2019/2016/2012 R2/2012/2008 R2, Linux