Every cable Tested in an end-to-end system,be certified and tested on Mellanox SFP28 ports for superior performance, quality, and reliability. Ethernet SFP28 to SFP28 25GbE DAC cables offer customers a wide variety of high-density and low-power 25 Gigabit Ethernet connectivity options for data center and high-performance computing networks applications. Up to 25.8Gb/s data rate,25GBASE SFP28 cable optimized for bandwidth-intense applications such as 25Gb Ethernet, Fiber Channel, InfiniBand, and SONET. 25GBASE-CR SFP28 to SFP28 Direct Attach Copper Twinax Cable, Passive. 100% compatible with Mellanox SFP28 25Gigabit or SFP+ 10Gigabit switch, network adapter card, or network attached storage equipment, Ideal replacement Mellanox MCP2M00-A002 (2-meter, Passive, SFP28 to SFP28, 30AWG).