10G PCI-E Dual RJ45 Ports Ethernet Network Adapter For Intel X540-T2 X540-AT2 Features: It is necessary to test the compatibility between the 10G network card and certain motherboards Incompatible motherboards usually fail to boot or are not recognized by the system Note:MAC PC is not supported MAC PC is not supported, Linux installation requires specialized personnel If you are not familiar with it, please do not buy it Supported Systems:For Windows 7/8/10,Vmware,Windows Server,Linux Some systems need to install driver software Package includes: 1*Network Card Note: Only include the above package products Specifications are manually tested and are for reference only Please allow 0-1cm error due to manual measurement Please make sure you don't mind before bidding Due to the difference between different monitors Pictures may not reflect the actual color of the item.Thank