This PCI Express Ethernet adapter card adds 40 Gigabit network connectivity to your PCIE server or workstation for fast high-bandwidth connectivity - Converged network adapter card adds a 40Gb QSFP+ slot making your computer or server compatible with multimode and single mode fiber - Features Intel XL710-BM1 chipset with Intel Virtualization Technology - QSFP+ fiber NIC (network interface card) features link and activity LEDs