Using high-performance I225-V Ethernet controller. With Base-T copper network interface, it can provide compact single-port integrated multi-gigabit (up to 2.5G) for 2500BASE-T, 1000BASE-T, 100BASE-TX- (copper) standard IEEE802.3 Ethernet interface , 10BASE-TE connection. Support IEEE802.3az Energy Efficient Ethernet (EEE) full wake on LAN. Support TCP / UDP, IPv4 checksum offloading (Rx / Tx) transmission segment offloading () (IPv4, IPv6) Designed for: any mobile device, desktop, workstation, value server or industrial design with space constraints. Colour:green Material:PCB board + metal Package Contents: 1 * PCIE Card Only the above package content, other products are not included. Note: Light 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.