Hikvision 4CH DS-7604NI-K1/4P 8CH DS-7608NI-K2/8P 4K PoE NVR H.265+ Home Security Protection Surveillance Network Video Recorder - AliExpress
Hikvision Original 4 Channel CCTV System Network video recorder Hik vision DS-7604ni-K1/4 P 4 POE ports 4K 4ch plug & play NVR with POE Injector Replace DS-7604NI-E1/4P, English version - Newegg.com