Product Details Fangrui Product Details Pci Express X Gen 2.1 (2.5gt/s), High Performance Design Quad-port Pci-express X 10/100/1000mbps Ethernet Network Card Power Management Features: Includes Energy Efficient Ethernet (eee), Dma Aggregation, Ultra-compact Design, And Vented Brackets That Boost Rates And Reduce Power Consumption. Ieee 802.1qav Audio-video Bridging (avb) For Tightly Controlled Media Stream Synchronization, Buffering, And Reservation Reliable Compatibility With Proven Gigabit Ethernet Technology Technical Parameters: Network: Gigabit Ethernet Host Controller: For (r) Wgi210at+ Bus Type: Pci Express X4, 2.5gt/s Media Interface : 4 X Rj45 Copper Cable Transmission Rate : 1000/100/10mbps 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 Features: Ipmi Delivery Via Smbus Or Nc-si, Iscsi Boot, , Pxe Remote Boot, Vlan Filtering Operating Systems : Freebsd, Linux, Esxi, Win 7/ Server 2012/ Server 2008 Win