The Intel Ethernet 10 Gigabit Converged Network Adapter X520-LR1 enables data center transformation by delivering a reliable, unified 10GbE long range fiber optic connection. Advanced platform scalability features include: Receive Side Coalescing, Intel Ethernet Flow Director, and support for PCI Express Gen2. Intel VT-c delivers industry-leading I/O virtualization capabilities, including support for Single Route I/O virtualization (SR-IOV) and Virtual Machine Device Queues (VMDq). The Intel Ethernet Converged Network Adapter X520 provides advanced unified networking capabilities, including support for iSCSI, NFS, and FCoE. The Intel Ethernet Converged Network Adapter X520 facilitates greater network infrastructure consolidation and is the best choice for I/O virtualization. Intel Ethernet - It Just Works!