The DELL/Intel Ethernet SFP+ SR (Short Range - Max link distance is 300 m) Optic is a SFP+ module designed for the Intel Ethernet Converged Network Adapters Series (X520 family.
Product Codes: E10G43BTDA, E10G41BFSR, E10G42BFSR, E10G41BFLR). This lead free optic module supports selectable rates from 1.25 GB/s to 10.3 GB/s bit.