How to calculate NVR Bandwidth using Hikvision Bandwidth calculator | How to choose Right NVR - YouTube
Hikvision 12MP NVR 8 Channel with 8 POE Port, 2 SATA Interface, HDMI Video output at up to 4K (3840 × 2160) resolution - DS-7608NI-I2/8P - 3rd (DS-7608NI-I2/8P - 3rd)