NVR Hikvision DS-6912UDI 96 Channels up to 24MP 24 Megapixel 4K ULTRA-HD , H.265 + / H.265 / H.264 / H.264 +, HDMI 4K (adaptable to DVI-D), BNC, 1 audio output two-way, 1 two-way audio input, 12 audio outputs, 8 inputs + 8 alarm outputs, 10/100/1000 Mbps Ethernet network card, RJ45, optical interface, RS-232, RS-485

Decoder Hikvision DS-6916UDI resolution up to 4K, 128 channels, up to 8 channels at a resolution of 24MP, H.265 + video compression, VGA and DVI video interface, support for multi-screen control, 16xHDMI, USB 2.0 (2x) product accessible from thermal network camera and 2.4MP DeepIn View camera, bi-directional audio, 8 inputs and 8 alarm outputs, RS-232 (RJ45), RS-485. Ideal for use in video surveillance systems.

Dahua - EVS7124S - Integrated video storage - 24 bays - Supports ONVIF - Up to 512 IP INPUT channels - 1024Mbps bandwidth - Hot swappable - Support for video streaming and direct image archiving - ANR support - 1+1 redundant power supply - Supports N+M clustering - RAID 0/1/5/6/10/50/60, JBOD, dynamic spare - 32-channel online playback (64 Mbps) - 1 HDMI port - Supports up to 24 HDDs up to 16 TB - Search video in 1s - Backup via USB, network and eSATA - Standard 19-inch rack installation.