Product : Cisco, HyperFlex [HCI]/4.0, x86
Feature : Network Topology, Design, Design & Deploy
Content Owner:  Herman Rutten
Summary
1, 10, 40 GbE
Details
Cisco HyperFlex hardware models include redundant ethernet connectivity using SFP+. Cisco recommends at least 10GbE to avoid the network becoming a performance bottleneck.

Cisco also supports 40GbE Fabrics as of HX 2.0.

Ciso HyperFlex M4 models have 10GbE onboard; Cisco HyperFlex M5 models have 40GbE onboard.

As of HX 3.5 Cisco HyperFlex Edge bundle supports both 1GbE and 10GbE.