QSFP+ modules support four channels, each operating at 10 Gbps for a total data rate of 40 Gbps. This is a significant increase from standard QSFP modules, which support four channels at 1 Gbps each (for a total of 4 Gbps). This higher data rate makes QSFP+ suitable for modern data centers and high-performance computing. The other answers are incorrect. Power consumption generally increases with higher data rates. Cable length depends on the specific module variant (e.g., SR4, LR4) and the cable type, not the form factor alone. QSFP+ modules are available for both single-mode and multi-mode fiber, as well as for copper cables.
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