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• Support H.265/H.264 video formats
• Support audio over coaxial cable(only for TVI cameras)
• Support TVI, AHD, CVI, CVBS, IP cameras with adaptive access
• 4/8-channel BNC input
• Support 1-ch CVBS output, 1-ch VGA output, 1-ch HDMI output at up to 4K(3840 x 2160)
• HDMI and VGA simultaneous output
• Long transmission distance over coaxial cable
• Support mainstream cameras of ONVIF and RTSP protocols

WD Gold HDDs incorporate our latest innovations to handle heavy, continuous read-write workloads in the toughest of enterprise and commercial system environments. WD Gold drives provide the utmost in HDD storage performance, reliability, durability, and capacity-point flexibility to small and medium businesses and design professionals whose mission-critical data and creative output are essential to their success.

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback.

• Support Ultra 265/H.265/H.264 video formats
• 4/8/16-channel input
• HDMI and VGA simultaneous output
• Up to 16 Megapixels resolution recording
• ANR technology to enhance the storage reliability when the network is disconnected
• Support cloud upgrade

• 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

• 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

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

9/16/32‑channel input

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

VGA and HDMI independent output

Up to 16 Megapixels resolution recording

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

Support cloud upgrade