C7 vs c3

[marktheknife]

@daniel.john.edge

Does the C7 provide any hardware improvements that may provide future capabilities worth considering ?

Yes it does. See the announcement post from when the hub started shipping last month:

New Hubitat Elevation Model C-7 Available

We are pleased to announce that we are now accepting orders for Hubitat Elevation hubs, with initial shipments to begin later this week. As previously described, the Model C-7 has the same features as the prior Model C-5, except for utilizing the new 700 series Z-Wave chip. This chip, and a new Z-Wave stack in the platform software, supports these new features: S2 Security Z-Wave SmartStart Full Z-Wave Plus Version 2 compatibility See the new Z-Wave Manual for complete details. These hubs …