The Intel Ethernet Converged Network Adapter X520-DA2 is a dual-port 10GbE SFP+ adapter widely used in enterprise server and workstation environments. Based on the Intel 82599 controller, it provides high-bandwidth connectivity suitable for virtualization, database management, and high-performance computing. [1, 2]
Cabling Support: Compatible with SFP+ Direct Attach Copper (DAC) twinaxial cabling up to 10 meters and SFP+ optical transceivers
Features and Performance
Advanced Virtualization: Supports Intel Virtualization Technology for Connectivity (VT-c), including SR-IOV (Single Root I/O Virtualization) and VMDq (Virtual Machine Device Queues) to offload tasks from the CPU. [1, 2, 3]
Storage Support: Enables offloading for storage over Ethernet, including iSCSI, FCoE (Fibre Channel over Ethernet), and NFS. [1, 2]
Optimization: Includes features like Direct Cache Access (DCA) to improve application response times and low-latency interrupts to minimize overhead. [1]
Compatibility: Supported by major operating systems including Windows 10/11, Windows Server (2008–2019), various Linux distributions (RHEL, Ubuntu, Debian), and VMware ESXi