Our QSFP28 Cables are the first to integrate Amphenol Spectra-Strip's EXF SKEWCLEAR wire, offering a flat frequency response beyond 20 GHz. Our QSFP28 connectors add an extended EMI cage and upgraded PCB for superior 100-Gigabit Ethernet (100GBASE-CR4) performance. The direct attach cable assemblies (DAC) support 100G applications and are. Amphenol QSFP28 Cables (100G Ethernet QSFP28 DAC Cables) up to 5m (16. 4') In-Stock Today at Cables on Demand. This high speed data transport capability is ideal as server virtualization becomes more prevalent. Trusted by 260K+ Enterprise. FS 100G DAC/AOC cable, passive/active DAC from 0.