blue iris

Hi all, I have Blue Iris 5.0 installed on my Server which is only doing IP camera footage recordings. However the CPU is constantly on 80-100% from only 2 or 3 cameras, and they are not like 4k cameras or anything... Could you please tell me if it's possible or is there something wrong with my...

I purchased the subject unit about a month ago. It works fine if I use the webview or iVMS-4200 although with some recording issues that I have yet to figure out. If I use Blue Iris one or all of the cameras in the unit will periodically freeze for a few seconds, leave momentary video artefacts...