The Hikvision DS-7716NI-E4 16 Channel NVR is a professional NVR with 16 independant PoE ports making installation of IP cameras extremely simple without the need and expense of a PoE Switch or technical expertise. This NVR provides 160Mbps incoming bandwidth with up to 6MP recording resolution. 4 Sata ports allow for the installation of up to 4 6TB Hard Drives adding to a maximum of 24TB storage capacity. This NVR Includes 16 PoE ports to make installing IP cameras a breeze with plug and play capability. The Hikvision DS-7716NI-E4 is also possible to rackmount the unit and brackets & screws are included.