NVRHikvision IP 8 canale DS-7608NI-K2; UltraHD 4K; Support 1-ch HDMI ,1-ch VGA, HMDI at up to 4K(3840x2160) resolution; Up to 8 Megapixelsresolution recording; 8-ch network cameras can beconnectedwith40M/60M/80M incoming bandwidth; SupportH.265/H.264/MPEG4videoformats;Audio Output: 1-ch, RCA ; 2 x SATAinterfaces/6TB for 2HDDs(notincluded); USB Interface: | Front panel: 1 ×USB 2.0 ;Rearpanel: 1×USB 3.0; Alarm In/out: 4/1; Chassis: 385 mmchassis