HARDWARE FEATURES Standards and Protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3bz, IEEE 802.3x Interface: 1× PCI Express 2.1 x 1, 1× RJ45 Gigabit/Megabit Port Network Interface 2.5GBASE-T/1000BASE-T/100BASE-TX LED 2.5 Gbps, 1 Gbps, and 100/10 Mbps Link/Act Data Rates: 10Mbps, 100 Mbps, 1 Gbps, 2.5 Gbps for Half-Duplex mode, 20Mbps, 200 Mbps, 2 Gbps, 5 Gbps, for Full-Duplex mode Flow Control: 802.3x Others Certification FCC, CE, RoHS Package Contents: 2.5 Gigabit PCIe Network Adapter (TX201) Standard/Low-Profile Brackets Quick Installation Guide Resource CD System Requirements: Windows 11/10/8.1/8/7, Windows Servers 2022/2019/2016/2012 R2/2012/2008 R2, Linux