Hikvision NVR DS-7616NI-K2/16P 

Embedded 4K NVR

Dual-OS design to ensure high reliability of system running. ANR technology to enhance the storage reliability when the network is disconnected. H.265/H.265+/H.264/H.264+/MPEG4 video formats. Connectable to the third-party network cameras. Up to 32 IP cameras can be connected. Recording at up to 8 MP resolution. Supports live view, storage, and playback of the connected camera at up to 8 MP resolution. HDMI Video output at up to 4K (3840 × 2160) resolution. Up to 2 SATA interfaces connectable for recording and backup. Storage space effectively saved by 50% to 70% with the use of H.264+ decoding format