High-Speed Rack Solution: The Dell EMC DAC-SFP-25G-50CM-BL compatible 25GBase-CR 0.5 meter Direct Attach Cable (DAC) is a passive 25G Twinaxial copper variant with SFP28 to SFP28 connection and a 30 AWG wire diameter. It is designed for connecting hardware within racks and across adjacent racks, in accordance with MSA standards from the brand BlueLAN. This cable is suitable for transmitting electrical signals over short distances and operates with consideration of the respective transmission protocol. It is compatible with all common hardware platforms such as switches, routers, and storage systems that officially support the original Dell EMC DAC-SFP-25G-50CM-BL 25GBase-CR 0.5 meter Direct Attach Cable.