Homaxi - 16 Ch.1.5U 4HDD 16POE NVR, H.265+/H.265 dual-stream video compression, Playback:16CH 1080P@30fps/8CH 4M@30fps/6CH 5M@30fps/4CH 4K@30fps, HDMI 1/HDMI 2 asynchronous outputs, maximum resolution of HDMI® is 4K, Supports mainstream cameras of ONVIF and RTSP protocol, AI by Camera:SMD,perimeter protection,face detection,etc, 4 SATA interface Up to 18TB capacity for each HDD, NDAA.