High-Speed Rack Solution: Oracle X2121A-2M-N-BL compatible 40GBase-CR4 2 Meter Direct Attach Cable (DAC) as a passive 40G Twinaxial copper variant, with 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 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, storage systems, etc.) that officially support the original Oracle X2121A-2M-N-BL 40GBase-CR4 2 Meter Direct Attach Cable. Each cable supports Ethernet, FCoE, and Fibre Channel.