Support system: Microsoft Windows x (Win Xp to Windows 10 , 32 & 64 bit), SCO UnixWare x 7.x, Open Unix x 8.0, Novell ODI x , Novell Netware x , SUSE Linux Enterprise Server x 9.0, Red Hat Enterprise Linux x 4.0, Linux x , FreeBSD x , Sun Solaris x , VMWare ESX x Supports OS:Linux,FreeBSD /Server2003/Win7/Win8/Win8.1/Server2012/Server2016/Win10 32/64bit18 1.PCI Express Base specification ,Revision1.1,2.PCI Bus Power Management interface specification Revision1.1,3.System Management Bus(SMBus) Specificaiton,SBS implementers forum,ver,2.0,4,Support Gigabit Ethernet at full wire speed,5.64-bit address support for systems using more than 4GB of physical memory,6.network packets handled without waiting or buffer voerflow 7.IEEE802.3x Compliant flow control support with software controllable pause times and threshold valuse,8.Dual 8KByte configurable transmit and receive FIFO buffers,9.Programmable host memory receive buffers (256Bytes to 16KBytes)and cache line size (64Bytes to 128Bytes),10.Tranmit and receive IP,TCP and UDP checksum offloading capabilities,11.IPv6 Offloading,12.IEEE802.1q VLAN support with VLAN tag insertion,striping and packet filtering for up to 4096 VLAN tags 13.9.5KByte jumbo frame support,14.Receive Side Scaling(RSS),15.ASF1.0and Alert on LAN2.0,16.Both ports support Wake on LAN(WoL),17.PXE support PCI-E to Dual 2 Port Gigabit Ethernet Network Lan Controller Card Transmission Rate: 10/100/1000Mbps The Controllers can offload TCP/UDP/IP checksum calculations and TCP segmentation. Management Features: WoL, PXE remote boot, ISCSI boot, VLAN filtering, ESXI, ROS. Boot Rom: Support BOOT ROM. Ports: RJ45 x 2 Bus Type: PCI-E X1 Boot Rom: Support BOOT ROM Ultra deep, packet buffer per channel lowers CPU utilization. Hardware acceleration that can offload tasks from the host processor.