The Hikvision M Series DS-7616NI-M2/16P 16-Channel 8K NVR (No HDD) is designed to provide professional recording and reliability. Boasting 16-channel IP camera input with PoE, this NVR supports up to 256 MB/s of bandwidth. It also supports 16-channel decoding at 4MP and H.265+, H.265, H.264+, and H.264 video formats; take advantage of an 8K resolution via HDMI for detailed playback. Two SATA interfaces allow you to connect hard drives. Professional Reliability H.265+ compression effectively reduces required storage space by up to 75%; dual-stream recording saves bandwidth. Plus, adopt stream over TLS encryption technology for more secure stream transmission service. This NVR supports double verification for playback and downloading.