PCI Express Gen 2.1 (2.5GT/s), high performance design Single Port PCI-Express 10/100/1000Mbps Ethernet Network Card Includes Energy Efficient Ethernet (EEE), DMA coalescing, ultra-compact design, and an air-ventilated stand for higher efficiency and lower power consumption. IEEE 802.1Qav Audio-Video Bridging (AVB) for tightly controlled media stream synchronization, buffering and reservation Reliable compatibility for proven Gigabit Ethernet technology Applicable network: Gigabit Ethernet Main controller: (R) WGI210AT Bus type: PCI Express X1, 2.5GT/s Media interface: copper cable, RJ45 Transmission rate: 1000Mbps Network topology: 10BASE-T/ 100BASE-TX/ 1000BASE-T, IEEE 802.1Q VLANs IEEE 802.3z, IEEE 802.3, IEEE 802.3x, IEEE 1588, IEEE 802.3az- Energy Efficient Ethernet (EEE) Management functions: IPMI pass-through via SMBus or NC-SI, iSCSI boot, , PXE remote boot, VLAN filtering : for FreeBSD, Linux, ESXi, Win 7/ Server 2012/ Server 2008/ Win 8/Win 8.1/Server 2016/Win 10 Firmware environment: Working temperature: 0 ~ 55 ℃ (32 ~ 131 ℉) Storage temperature: -40 ~ 70 ℃ (-40 ~ 158 ℉) Storage humidity: 90% non-condensing relative humidity at 35°C Material: PC+metal colour: As shown Package Contents: 1 x Server network card 1 x short baffle 1 x driver -CD 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.