The NVR-7516K features up to 16 channels of 4K video recording and playback with full 8MP resolution to a supporting monitor. The NVR includes 16 POE ports built in to power IP cameras. 8 SATA III ports means a total of 48TB of storage capacity. It comes with a gigabit Ethernet port to capture all the video data via a single network card. Add the capability to support up to 4K video via its HDMI output (1 VGA) and this NVR is a winning combination for any high definition surveillance application.