Compact UniFi Protect NVR with 3.5" HDD support, featuring an integrated 6-port PoE switch, integrated HDMI View Port, and a capacity for (6) 4K cameras or (15) Full HD cameras. Highlights:  Supports all UniFi Protect features and devices including AI Key, AI Port and SuperLink.  Supports UniFi Access, allowing you to manage cameras and physical door access from a single device. Integration with ONVIF-compliant third-party cameras, allowing smooth and easy migration of existing security systems to UniFi Protect. Includes an integrated Viewport via its HDMI port. You can configure a multi-view in Protect and assign it to the Viewport for live monitoring of selected cameras. Supports a single drive (HDD or SSD) in either 2.5” or 3.5” format, with the following requirements: Minimum capacity: 1 TB Must be CMR (Conventional Magnetic Recording) 7200 RPM suggested for greater performance Note. Requires connection to a Gateway or Layer 3 switch.