Amphenol 0.5m (1.6 ft) 25G/28G SFP28 Direct Attach Copper Cables provide affordable 25-Gigabit Ethernet connectivity in a low-profile package. Each SFP28 cable utilizes an upgraded 20-position “board-as-connector” design with zinc die-cast back shells for superior EMI performance and minimal insertion loss. Our 0.5m SFP28 cables are assembled with industry-leading twin axial SKEWCLEAR 2-pair wire; optimized for bandwidth-intense applications such as 25Gb Ethernet, Fiber Channel, InfiniBand, and SONET..