100G DAC Cables (QSFP28) are cost-effective, pre-terminated twinax copper assemblies designed for short-reach high-speed interconnects in modern data centers, enterprise networks and SANs. Get your 100G direct attach cables from nearby warehouses. JTOPTICS 100G QSFP28 DAC is the QSFP28. End-to-end design, manufacturing, and supply-chain orchestration for assemblies—from simple box builds to complex, fully wired electrical cabinets—delivered to spec and certified for any environment. With our technological expertise and advanced manufacturing capabilities, you can save on R&D costs. FS 100G DAC/AOC cable, passive/active DAC from 0. Amphenol QSFP28 Cables (100G Ethernet QSFP28 DAC Cables) up to 5m (16.