The Intel X520-DA2 Dual-Port 10GbE SFP+ PCI-e Network Interface Card is a highly reliable, low-power network adapter designed for enterprise servers and virtualization environments. Powered by the Intel 82599ES controller, it offers two 10 Gbps SFP+ slots supporting fiber connections or Direct Attach Copper (DAC) cables. This card delivers high-speed throughput with low CPU overhead through advanced hardware offloading, including support for Fibre Channel over Ethernet (FCoE), iSCSI, SR-IOV, and VMDq. It is an industry-standard solution for server virtualization, database clusters, and secure cloud networking.
| Model | X520-DA2 (E10G42BTDA) |
| Brand | Intel |
| Speed | 10 Gbps per port |
| Ports | 2 x SFP+ Slots |
| Interface | PCI Express 2.0 x8 |
| Controller | Intel 82599ES |
| Features | SR-IOV, FCoE, iSCSI, VMDq, PXE Boot, Intel Flow Director |
| Cabling Support | Direct Attach Copper (DAC), SFP+ SR/LR Optical Transceivers |