The Intel FTLX8574D3BCV-IT 10G/1G Dual Rate SFP+ Optical Transceiver is are designed for use in 1-Gigabit and 10-Gigabit Ethernet links over multimode fiber. This product is for applications specifically designed for 10G SFP+ ports and 1G/10GSFP+ ports and not native 1G SFP ports. The optical transceiver is RoHS compliant.