Product Code: X520-DA2 (10Gb/s Ethernet Converged Network Adapter)<br> Ethernet Controller(s): 82599ES-LR<br> Interface: Dual SFP+ Ports,PCI-E X8<br> TDP: 8.6 W<br> Temp. Range(℃): 0~55 (32 °F to 131 °F) <br> Connector & Cable Medium:SFP+ Direct Attach Copper/SFP+ <br> Cabling Type: SFP+ Direct Attached/LC Fiber Cable Twin Axial Cabling up to 10 m <br>Ethernet Converged Network Adapter X520<br> with Support for Sfp+ Connections<br> Connectivity you can count on<br> Reliable Performance<br> ● Broad OS support <br> ● Optimized for Intel`g Architecture <br> ● Low latency Ethernet Best Choice for Virtualization<br> ● Leadership in virtual system scalability with Flexible, Port Partitioning (FPP) and intelligent offload <br> ● Broad VM support (VMware ESXi*, Microsoft Hyper-V*,KVM* and Xen*) Unified Networking<br> ● Full line of 10GbE Converged Network Adapters (CNA) <br> ● Fibre Channel over Ethernet <br> ● iSCSI with trusted, native OS support <br> ● Support for data center bridging with lossless Ethernet <br> Platform Optimization<br> ● Integrated PCI Express* <br> ● Direct Data I/O Technology