... cards in the same PC at most, form 16-32 channel real time monitoring, and can also ... channel monitoring.Multi screen monitoring, 1,4,9,16,25, 36 split Screen available, support rotate display ... .Intelligent searching for historical DVR files, 4 ch/ 9 ch/ 16 Ch playback.Multi-user's authority management setup, ... recommendedAt least 128M of RAM (256M required for 16 cameras and above)At least 32M of RAM ...