It is suitable for converting the MINIPCLE slot of the PC host to a RJ45 Gigabit electrical port, supporting data transfer rates up to 2.5GBPS. The 2.5G network adapter supports three speeds: 2.5GBPS, 1GBPS and 100MBPS. High Compatibility 7, 8.X, 10 SERVER 2008 R2, 2012, 2016, 2019; LINUX 2.6.31 TO 4.11.X VERSIONS ONLY. Strong stability and high speed without dropping . The transmission is stable and the signal is strong. Made of high-quality materials, . Applicable network type: Fast Ethernet Bus Type: MINI PCIE Transmission rate: 100/1000/2500IMbps Full duplex/half duplex: full duplex/half duplex adaptive Network interface type: RJ45 LED indicator: LINK/ACT (connection work) Applicable models: desktop Main chip: RTL8125BG Network Standards: IEEE 802.3 10BASE-, IEEE 802.3u 100BASE-TX, IEEE 802., 1000BASE- IEEE 802.3az Energy-Efficient Ethernet, IEEE 802.3x Flow Control, 802.1q VLAN Tagging, 802.1p Layer 2 Priority Encoding 7, 8.x, 10 Driver Support: Server 2008 R2, 2012, 2016, 2019; Linux 2.6.31 to 4.11.x Versions only Colour:black Material:PCB Package Contents: 1 x Network Card 1 x Riser Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.