Finisar's FTLX8571D3BNL Extended Temperature 10Gb/s SFP+ transceivers are designed for use in 10-Gigabit Ethernet and 10-Gigabit Fibre Channel links over multimode fiber. They are compliant with SFF-8431, SFF-8432, IEEE 802.3ae 10GBASE-SR/SW and 10G Fibre