Will the SFP+ 3m direct attach cable S+DA0003 works with Intel X520-DA1 0GbE Ethernet Converged Network Adapter?
See http://forum.mikrotik.com/t/intel-82599es-10gig-card-and-sfp-modules-compatibility/93996/1
Some non Intel-specific SFP modules by HP, Infinisair and Avago seem to be “partially” compatible but only 1Gbps, see http://www.intel.com/content/www/us/en/support/network-and-i-o/ethernet-products/000005528.html specifically, the What are the SFP and SFP module requirements for the Intel® Ethernet Converged Network Adapter X520 Series?