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HikVision(OEM) DS-7608NI-K2/8P 8Channel 4K PLUG&PLAY PoE NVR [NR32P8-8] - $290.95 : DiySecurityCameraWorld, Wholesale CCTV Security Video Cameras, HD Surveillance Systems
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Amazon.com : 8MP 4K 8 Channel POE Network Video Recorder NVR with 2 SATA Interface,1x HDMI,VGA,Plug & Play,Up to 6TB Capacity for Each HDD(HDD not Included) : Electronics
Hikvision DS-7616NI-I2/16P 16 Channel PoE NVR, Up to 12MP Resolution, – HIKVISIONFACTORYOUTLET.COM
4-Channel HD PoE NVR with 2 TB HDD - TRENDnet TV-NVR104D2
Hikvision Poe Nvr 4k 8mp 8ch Ds-7608ni-k2/8p Embedded Plug & Play 4k Video Recorder 2 Sata Max 12tb Interfaces 8 Poe Port H.265 - Nvr - AliExpress