Hikvision DS-7604NI-Q1/4P(D) 4K 4POE NVR 4 Channel CCTV Network Video Recorder
4CH POE Hikvision Original 4K NVR DS-7604NI-Q1/4P(D) Network Video Recorder CCTV
Dahua NVR2104HS-P-S34 Channel Compact 1U 1HDD 4PoE SMD+ Network Video Recorder