The product is constructed by the 82576EB controller. The adapter represents step in the of the enterprise and data center Gigabit Ethernet (GbE) network through the introduction of a . Performance is achieved through -controlled virtualization and iSCSI unified network environment enhancements. PCI Express * Gen 2.1, 2.5GT/s dual optical port Gigabit Ethernet network card. Scalable iSCSI performance to provide cost-effective SAN connection. Reliable compatibility and proven Gigabit Ethernet technology. Flexible I/O virtualization, which can realize port partitioning and quality of service () of up to 32 virtual ports. Innovative power management features, including Energy Efficient Ethernet (EEE) and DMA merge to improve efficiency and reduce power consumption. Applicable network: Gigabit server fiber Main controller: (R) 82576EB Bus type: PCI Express X1, 2.5GT/s Media interface: optical fiber, SFP LC 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 function: IPMI transfer via SMBus or NC-SI, iSCSI boot, , PXE remote boot, VLAN filtering : FreeBSD, Linux, ESXi, Win 7/ Server2012/ Server 2008/ Win 8/Win 8.1/Server 2016/Win 10 Firmware environment: Working temperature: 0 ~ 55 Celsius (32 ~ 131 Fahrenheit) Storage temperature: -40 ~ 70 Celsius (-40 ~ 158 Fahrenheit) Storage humidity: 90% non-condensing relative humidity at 35 Celsius Colour: black + green Material: metal + PCB board Size: 15x11x1.5cm Package Contents: 1 * PCI-E 82576 optical fiber network card 1 * Short iron piece 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.