*Good heat dissipation Alloy heat sink, cooling more effectively, which can ensure that the adapter card runs stably and smoothly for a long time. 10 Gigabit SFP+ Ethernet Converged Network Adapter with Controller Intel 82599ES. Adopting Intel 82599EN Chipset, it provides up to 10 Gbps of extreme speed to ensure the stability of Internet access and local data transmission, effectively preventing packet loss and making the server more stable. Single SFP port let you connect *Intel 82599EN Controller Chip, More Stable Euqvos X520-DA1 uses the original Intel 82599EN controller chip, which have stable performance. *Plug and Play, Easy to use Single 10G SFP+ Port, PCI-E hot swapping is supported, plug and play, you can change the module at any time. Boston - Supermicro 2-port SFP 10GbE 10GbE LP NIC Card 10Gb Network Card with Intel 82599EN Controller,Single SFP Port PCI Express Ethernet Adapter Support Windows Server/Linux/VMware. $139 supports I/O virtualization can effectively prevent packet loss and make the server high-speed and more stable. *Wide Compability Supports Multiple Operating Systems: Windows Server 2003/SP2, 2003/R2, 2008/R2, 2012, 2012/R2, 2016, 2019; Windows7/ 8/10;Stable Kernel version 3., x/2,6x;SUSE Linux Enterprise Server10/11;FreeBSD* 9., X/10., X/11., X/12., X;Linux* RHEL 6., X, 7., X/8., 0, SLES 11., X, 12., X, 15., X;Ubuntu* 14., x LTS, 16., x LTS, 18., x LTS; VMware ESX, etc. ✅NOTE: SFP+ Module / DAC / AOC Cable is not included in the package., ✅ Scheda Rete Intel X520 H!Fiber 10Gb SFP PCI-E Network Card NIC, Compare To Intel X520- DA1 (E10G42BTDA), With Intel 82599EN Chip, Single SFP Port, PCIe X8, Ethernet LAN Network Adapter Support Windows/Linux/VMware Supported Operating Systems: Windows Server 2003/ 2008/ 2012, Windows7/8/10/Visa, Linux, VMware ESX.