Other brands of SFP+ optical modules do not work with the Intel® Ethernet Converged Network Adapter X520 Series. You must use the listed Intel® SFP+ SR or LR Optics.
Network connections built into system boards can support other SFP+ modules. See your system documentation for details.
Intel® Ethernet SFP+ Optics are tested and supported for installation in the Intel® Ethernet Server Adapter X520 Series only.