QSFP-DD/QSFP+ features high-speed I/O passive cable assemblies that can deliver data rates as high as 400 Gbps with a variety of lengths or customized options for greater design flexibility. In modern data centers and enterprise networks, Quad Small Form-factor Pluggable (QSFP) cables are everywhere. They connect servers, switches, and storage at speeds from 40G to 400G and beyond. Meets Europ Meter makes up the “xxx” in the part numbers. The “40G” designation indicates support for an aggregate data rate of 40 Gbps over four channels, each running at 10 Gbps. These 40G DAC cable assemblies. FS offers 40G QSFP+ direct attach cable assemblies in passive DAC and active DAC from 0.