The SFP-25G-CUxM 25G SFP28 Passive Direct Attach Copper Twinax Cable is designed for use in 25GBASE Ethernet. This cable is compliant with IEEE P802.3by Ethernet standard and SFP28 MSA Compliant. Each SFP28 connector comprises an EEPROM providing product information which can be read by the host system. With these features, this easy to install, high speed, cost-effective direct attach copper twinax Cable is suitable for short-distance connectivity within a rack or between adjacent racks in data centers.