8 channels at 3840 x 2160 resolution (video + audio); Stream Size: 80 Mb/s in total from all cameras; Internal storage: available mount: 1 x HDD 3.5” 10 TB SATA; Internal Alarm Input/Output: 8/4 relay type; Recording: Recording speed up to 240 fps at 3840 x 2160; Supported Resolution: Supports resolution up to 3840 x 2160; Monitor Output: Monitor outputs: 2 (HDMI, VGA);