Dahua NVR4416-16P-4K, Network Video Recorder 16 Channel IP Camera Poe Support 4K 12 Megapixel Resolution 16CH NVR for IP Cameras, Support 4K or 12MP resolution Max. 256Mbps Input Bandwidth H.265/H.264/MJPEG codec decoding Support 4 SATA HDDs up to 24TB, 3 USB, 1 eSATA port 16 POE ports built-in, 1.5U Case, No HDD included