Tinout China factory made 10G Ethernet SFP+ ER, 1550nm, 40km, DDM/DOM, Low Power Dissipation , good price, 3year warranty, big stock, compatible with CISCO, HP, BROCADE, QLOGIC, H3C, JUNIPER, EXTREME. TOSFP1510GER SFP+ transceivers are designed for use in 10Gigabit Ethernet links up to 40km over Single Mode Fiber. They are compliant with SFF-8431, SFF-8432 and IEEE 802.3ae 10GBASE-ER.The product is RoHS compliant and lead-free.