10 gbps Faster Transmission: Equipped with Intel X520 82599EN Ethernet Controller,it supports Single Root I/O virtualization, improves servers stability and provides up to 10Gbps transmission speed, effectively prevent packet loss,so that you will enjoy a high-speed networks. | Interface: PCI Express V2.0 x8,x16 Lane. Single lan SFP+ PORTScan reach 10gbps. SFP+ Direct Attach Cable/SFP+ Module/SFP+ AOC can be connected. | Data transfer rate: 10/100/1000/10000Mbps. The 10gbps enthernet adapter includes a number of advanced features that allow it to provide industry-leading performance and reliability, which can be wide and different applications such as pc gaming, desktops, workstations, servers, and mini-tower computers. | Support OS: Windows 7/8/10/11/Visa, Windows Server 2008/2012/2016/2019, Linux, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware ESX/Esxi 6/7, SLSE 11/12,etc. | Low Profile Bracket and Full-height Bracket are included which come with 10gbe Network interface card. | We provide 30-day return or refund and 3-year warranty service for any quality issue and lifetime technology support. | Warm Reminder: There will be no drivers for X520 under Windows 11 if you would like download X520 drivers into a Windows 11 desktop. But the lastest version 28.0 Complete Driver Pack will solve this issue. Complete Driver Pack Name: Release_28.0.zip. Please feel free to reach us for any technology issue,our worry-free 24-month, and reliable customer service will respond to you within 24 hours.