Which solution provides the lowest latency and highest bandwidth for network connectivity for HPC clusters?

A.
InfiniBand FDR

B.
40Gb Ethernet

C.
16Gb Fibre Channel

D.
InfiniBand QDR

Explanation:

InfiniBand FDR is faster than InfiniBand QDR.
Links can be aggregated: most systems use a 4X aggregate. 12X links are typically used for cluster and supercomputer interconnects and for inter-switch connections. InfiniBand FDR speed for 12x links is up to
163.64 Gbit/s.
References: https://en.wikipedia.org/wiki/InfiniBand