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• Support Ultra 265/H.265/H.264 video formats
• 64/128-channel input
• Support 2-ch HDMI, 2-ch VGA, HDMI1 at up to 8K(7680x4320) resolution, HDMI2 at up to 4K(3840x2160) resolution
• VGA1 and HDMI1 simultaneous output, VGA2 and HDMI2 simultaneous output. VGA1/HDMI1 and VGA2/HDMI2 independent output
• Up to 32 Megapixels resolution recording
• Redundant power supply optional
• Support HDD hot swap with RAID 0, 1, 5, 6, 10, 50, 60 storage scheme configurable
• Support 12V power output
• ANR technology to enhance the storage reliability when the network is disconnected
• Support cloud upgrade
• Support N+1 Hot spare

• High quality image with 4 MP, 1/3.0" CMOS sensor
• 4 MP (2688 × 1520)@30/20 fps; 4 MP (2560 × 1440)@25/20 fps; 3 MP (2304 × 1296)@30/25 fps; 1080P (1920 × 1080)@30/25 fps
• Ultra 265, H.265, H.264, MJPEG
• Easystar technology ensures high image quality in low illumination environment
• 120 dB true WDR technology enables clear image in strong light scene
• Supports 9:16 corridor mode
• Built-in mic
• Smart IR, up to 50 m (164.0 ft) IR distance
• MicroSD, up to 512 GB
• IP67 protection
• Supports PoE power supply
• 3-axis

• Support IEEE802.3 at standard, compatible with IEEE802.3 af by electrical equipment (PD)
• Supports PoE Power up to 30W for each PoE port;
• Auto detect power device; will not burned non-standard PoE device or normal PoE switch;
• Supports port power supply prioritization, guarantee the continuous power supply of key nodes;
• Supports IEEE802.3 x full duplex flow control and Backpressure half duplex flow control;
• Line-speed forwarding, intelligent identification
• Supports storage – and- forward for Data exchange;

• High quality image with 8MP, 1/2.7"CMOS sensor
• 8MP (3840*2160)@20fps; 5MP (3072*1728)@30/25fps; 4MP (2560*1440)@30/25fps; 2MP (1920*1080) @30/25fps
• Ultra 265, H.265, H.264, MJPEG 
• 120dB true WDR technology enables clear image in strong light scene
• Support 9:16 Corridor Mode
• Built-in Mic
• Smart IR, up to 30m (98ft) IR distance
• Supports 512 G Micro SD card
• IP67 protection
• Support PoE power supply
• 3-Axis

• Support Ultra 265/H.265/H.264 video formats

  16/32/64-channel input

  Support mainstream cameras of ONVIF conformance(Profile S, Profile G, Profile T ) and RTSP protocols

  VGA and HDMI independent output (NVR508-64B simultaneous output by default , independent output configurable)

  Up to 16 Megapixels resolution recording

  8 SATA HDD, up to 12TB for each HDD

  Support N+1 Hot spare

  ANR technology to enhance the storage reliability when the network is disconnected

  Support cloud upgrade

• High quality image with 8MP, 1/2.5"CMOS sensor
• 8MP (4096*1860)@20fps
• The double lens splicing technology is adopted to realize the horizontal viewing angle of 180°
• Colorhunter technology ensures 24-hour full-color images
• Support red & blue warning light
• 130dB true WDR technology enables clear image in strong light scene
• Based on target classification, smart intrusion prevention significantly reduce false alarm caused by leaves, birds and lights etc., accurately focus on human and, motor vehicle and non-motor vehicle
• Intelligent People Flow Counting and Crowd Density Monitoring
• Smart intrusion prevention with Color retrieval
• Auto Scene Match (ASM)（Only WDR）
• Alarm:1 in/1 out and Audio: 1 in/1 out
• Built-in speaker and dual mics
• Support 512 GB micro SD card