【Stable & Reliable】The Ethernet server network adapter equipped with the original BCM5719 controller chip, by providing unparalleled features of virtualization, flexible features, and proven reliable performance, upgrades to servers or workstations in need of enhanced performance, advanced features, and greater reliability. | 【Convert PCIe Slot to Quad RJ45 Port】Equipped with RJ45 port which can set up a long-distance link with a file server or a remote workstation, up to 100m of CAT5/CAT6/CAT7 connection meeting the demands of data center environments. Improve computer network utilization, network bandwidth, and network control ability. | 【High Performance】Provides fully compliant 10/100/1000 RJ-45 Ethernet port through each PCIe slot, meeting the demands of data center environments, PCIe v2.1 ( 2.5GT and 5.0GT/s) x4 Lane compatible with PCIE X4, X8, X16 Slot, the network card provides an effective upgrade or replacement network port. | 【Easy Installation】Come with Low-profile and full-height brackets, meet different computer or server case needs, add an additional Ethernet port to a workstation or server computer for redundancy. | 【Wide Compatibility】Support Windows 7/8/10/Vista, Windows Server 2008/2012/2016, Linux, FreeBSD, VMware ESX. | 【Driver Install Require】The Ethernet server network adapter comes with a driver CD, or please download the driver from Broadcom website.