High Transmission Rate: With a transmission rate of 10/100/1000Mbps, this network card ensures fast and reliable data transfer. Wired Connection: This wired network card provides a stable and reliable connection, eliminating the need for a wireless connection. RTL8125B Chip: The RTL8125B chip ensures high-quality network performance and compatibility with a wide range of devices. 2.5G PCI-E To RJ45 Gigabit Network Card Wired RJ45 LAN Controller Adapter For PC Chipset:RTL8125B Port number:1 * RJ45 Standard:IEEE 802.3, IEEE 802.3u, IEEE 802., IEEE 802.3az, IEEE 802.3bz Network media:10Base-T, cat3 or above UTP, 1000Base-Tx, cat5 or above UTP Data rate:PCI Express 1 x slot Auto MDIX:YES Full Duplex Support:YES LED Indicator:100M/1G/2.5G Link/Act Support OS:for 10(32/64), for Win7 (32/64), for Win8,8.1 (32/64), for Server,2012,2008, for Linux, for OS Colour:As Shown Material:PC+Metal Size:71.5x50x1.6mm Package Contents: 1 * Network 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.