China 40g Qsfp+ to 4SFP+ Dac Passive Eeprom Copper Cable 5m 28AWG 100% Compatible H3c, Find details about China SFP Transeiver Module, High Speed Cable Dac from 40g Qsfp+ to 4SFP+ Dac Passive Eeprom Copper Cable 5m 28AWG 100% Compatible H3c