High-Speed Rack Solution: LANCOM 60177 compatible 40GBase-CR4 3 Meter Direct Attach Cable (DAC) as a passive 40G Twinaxial copper variant, featuring QSFP to QSFP connection and 30 AWG wire diameter, designed for connecting hardware in racks and across adjacent racks, compliant with MSA standards from the brand BlueLAN. This LANCOM 60177 compatible 40GBase-CR4 3 Meter Direct Attach Cable (DAC) is suitable for transmitting electrical signals over short distances and operates in accordance with the respective transmission protocol. It is compatible with all common hardware platforms (such as switches, routers, storage systems, etc.) that officially support the original LANCOM 60177 40GBase-CR4 3 Meter Direct Attach Cable (DAC). Each LANCOM 60177 compatible 40GBase-CR4 Direct Attach Cable (DAC) supports Ethernet, FCoE, Fibre Channel, and InfiniBand applications of up to 40G.