This 10G Capable Pcie Network Adapter Card Enables High-Speed Data Rates For Desktops/Servers Leveraging Existing Cat5E/6/6A Cabling - Six-Speed Nic 10G/5G/2.5G/1G/100M/10M, 1X Rj45, Pcie 3.0 X2 Marvell Aqc113Cs 16K Jumbo Vlan Pxe Boot Avb And Ptp - The 10Gb Network Adapter Card Is Supported By Windows/Windows Server/Linux. The Six Speed Options And Included Low-Profile Bracket Widen The Compatibility Of The Network Interface Card With Current/Legacy Devices