10Gb Network Card Ultra Fast Speed 10G SFP+ ports let you connect to 10Gb/s SFP+ transceiver module/DAC/AOC and upgrade your ethernet speed to 10Gb/s Stable PerformanceEquipped with the original Intel 82599 controller which supports I/O virtualization and effectively prevents packet loss, makes the servers more stable Comprehensive System Support Fully compatible with Windows Server 2003/ 2008/ 2012, Windows7/ 8/ Visa, Linux, VMware ESX, to meet your diverse operating system needs in datacenter or home use Technical SupportApplied to meet the needs of the server market for network traffic and data distribution, processing and virtualization, big data computing, cloud computing, etc. Industry Leading Support 1-year warranty and free 24/7 technical support