I started with a Raspberry Pi, but as my setup got larger it got slower, so now I use an Intel NUC8 (not just for HA, I run ESXI on it and HA is one of the VMs)

I started with a Raspberry Pi, but as my setup got larger it got slower, so now I use an Intel NUC8 (not just for HA, I run ESXI on it and HA is one of the VMs). My network is predominantly Z-Wave so I use an Aeotec Z-Wave stick to interface with it.