StarTech.com 2-Port GbE SFP Network Card, PCIe 2.0 x1, Intel I350-AM2 2x 1GbE Controller, 1000BASE Copper/Fiber Optic, Dual-Port Gigabit Ethernet NIC, Desktop/Server Backplanes - Windows and Linux CompatibleStarTech.com 2-Port GbE SFP Network Card, PCIe 2.0 x1, Intel I350-AM2 2x 1GbE Controller, 1000BASE Copper/Fiber Optic, Dual-Port Gigabit Ethernet NIC, Desktop/Server Backplanes - Windows and Linux Compatible. Internal. Connectivity technology: Wired, Host interface: PCI Express, Interface: Fiber. Maximum data transfer rate: 1000 Mbit/s. Product colour: BlackPorts & interfacesConnectivity technologyWiredHost interfacePCI ExpressInterfaceFiberFiber ports quantity2Fiber optic connectorSFPPCI version2.0NetworkMaximum data transfer rate1000 Mbit/sNetworking standardsIEEE 802.1AX, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.3ap, IEEE 802.3az, IEEE 802.3zAuto MDIX IEEEYesFull duplexYesJumbo frames supportYesJumbo frames9000Supported network protocolsIPv4, IPv6, TCP/UDPDesignInternalYesCompons