How many total cameras can be added?

Sorry if this has already been addressed, but I have a quick question about adding cameras. I see you can add up to 4 Smartcams to the hub, but are you able to add other cameras on top of that? Is it 4 Smartcams plus other cams from Netgear or D-Link, or is it 4 cameras total no matter what brand? Thanks in advance.

@community I have the same question. Is there a way to add more than 4 cameras to Smartthings. I have 4 Smartcams added and want to add more. Thanks