Windows 10 has an OK automatic backup system in place. Why buy another? You can schedule it to backup changes daily. As my BI box is dedicated, I do have an image backup (again, Windows does this for free) and if my BI box dies.... 45 minutes later, it can be back up and running with no data loss.

II have what I call a "hybrid" camera system. I have a Hikvision 16 channel Analog DVR and a computer running Blue Iris. I have 12 cameras and 9 are analog and the balance are POE IP. Blue Iris is my management system for both. I have no problems pointing BI to my DVR and seeing and record...