This is a Cisco UCSC-PCIE-BTG= comparable 10-Gigabit Ethernet PCIe x8 network interface card with dual open RJ-45 ports that comply with IEEE 802.3 standards. It is based on an Intel X540 chipset and is compatible with Windows and Unix-like operating systems. Providing 10Gbs of network speed, it fully supports high-end servers and a variety of networking applications. In addition, this card supports high level VLAN filtering. The dual RJ-45 operates over copper patch cable, allowing for an operating distance of 100m. This product includes both half-height and full-height brackets. All of our network interface cards are 100% compliant, and offer a cost effective solution for all of your network upgrade needs. With our certification test program, we guarantee your product will work right the first time.