0C19486 - Lenovo X520-DA2 10GB/s Dual Port PCI-Express 2.0 x8 Low Profile Ethernet Adapter by Intel

The Intel Ethernet X520 Converged Network Adapter family addresses the demanding needs of the next-generation data center by providing unmatched features for virtualization, flexibility for LAN and SAN networking, and proven, reliable performance.- PCIe 2.0 x8, 5.0GT/s - supports SFP+ Direct Attached Twin Axial cable up to 10m - Low profile and full height bracket - VMDq, VMDc, PCI-SIG, SR-IOV capable - On-chip QoS and traffic management - Flexible port partitioning - Intelligent offloads - Support iSCSI, FCoE, NFS protocols.