The product does not include a Hard Disk, which refers to the maximum "Memory Storage Capacity " and " Hard Disk Size " . | Smart H.265+/H.265/Smart H.264+/H.264/MJPEG decoding format. | Max. decoding capability: 16 × 1080p@30 fps. Supports adaptivedecoding. | AI by NVR: 1-channel face detection and recognition; 2-channelperimeter protection; up to 10 face databases and 20,000 faceimages; 4-channel SMD Plus. | AI by Camera: Face detection and recognition, perimeter protection;SMD Plus; people counting; stereo analysis; heat map. | Connected to the third-party network cameras. | Access, storage or forwarding at 256 Mbps (180 Mbps when AIfunction enabled). | Security baseline 2.3.