product description:PCI-E I225 2.5G Ethernet server network card, using high-performance I225-V Ethernet controller. I225-V controller has a Base-T copper network interface, which can provide a compact single-port integrated multi-gigabit (up to 2.5G)- (copper cable) standard for 2500BASE-T, 1000BASE-T, and 100BASE-TX IEEE802.3 Ethernet interface, 10BASE-TE connection. It can also support vPro technology on specific platforms.PCI-E I225 2.5G Ethernet server network card, designed for: any mobile device, desktop, workstation, value server or industrial design with space constraints Specifications:Compliant with PCI Express specification revision 3.1 (5.0GT/s); (copper) standard IEEE802.3 Ethernet interface, up to 2.5Gb/s;Compliant with single port 1GbE RJ45 port (copper cable);Compliant with standard IEEE802.3 Ethernet interface (IEEE802.3bz, IEEE802., IEEE802.3u and IEEE802.3) for 2500BASE-T, 1000BASE-T, 100BASE-TX, 10BASE-TE applications IEEE802.3 autonegotiator;Compliant with IEEE802.3x and IEEE802.3z flow control support, with software controllable RX threshold and TX pause frame;Automatic detection function ( / -X);IEEE 1588 protocol and 802.1AS implementation Support time sensitive network (TSN) function;Support IEEE802.3az Energy Efficient Ethernet (EEE) full wake on LAN;Support TCP / UDP, IPv4 checksum offloading (Rx / Tx) transmission segment offloading () (IPv4, IPv6);Supports data packets up to 9.5KB jumbo frame technical parameter Applicable network: multi-gigabit server network card Main controller: (R) I225-V Bus type: PCI Express X1, 2.5GT/s Media interface: copper cable, RJ45 Transmission rate: 2.5G/1000/100Mbps Network topology: 2500BASE-T, 1000BASE-T, 100BASE-TX, 10BASE-TE, IEEE 802.3bz, IEEE 802.3, IEEE 802.3x, IEEE1588, IEEE 802.3az,-Energy Efficient Ethernet (EEE) Management function: IPMI transfer via SMBus or NC-SI, iSCSI boot, , PXE remote boot, VLAN filtering : FreeBSD, Linux, ESXi, Win 7/ Server 2012/ Server 2008/ Win 8/Win 8.1/Server 2016/Win 10 Firmware environment: Working temperature: 0 ~ 55 Celsius (32 ~ 131Fahrenheit) Storage temperature: -40 ~ 70Celsius (-40 ~ 158 Fahrenheit) Storage humidity: 90% non-condensing relative humidity at 35 Celsius Colour:Black + Green Material:Metal + PCB board Size:16x12x1.5cm Package Contents: 1 * I225-V single port network 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.