... .Smart HDDs Management:non-working HDD hibernationg,HDD faulty alarm,Raid function12.Powerful network software:built-in web server,multi-DVR ... Video25-450MB/HHDD ManagementHard disk hibernation technology,HDD faoulty alarm & Raid(Redundancy)Backup ModeNetwork download/Flash stickInterfaceVideo Input32 channel,BNC,1 ...