The switch is equipped with 8 x 10G SFP+ slots.It supports 10G/2.5G and 10G/1G two modes.The default mode is 10G/2.5G,which means 1G modules can't be recognized in this mode.These two modes can be switched on the web managed interface.The 10G SFP+ Ports support copper RJ45 modules ,optical fiber modules with 10G/2.5G/1G. And support 10G DAC or AOC,either.