When upgrading NVR from v3.4.x to v4.x, please be sure NVR firmware is at v3.4.92 170518 firmware and perform system factory default before proceed upgrading NVR to v4.x. Failures have NVR at v3.4.92 and perform system factory default prior to upgrading NVR to v4.x could render NVR inoperable.
Up to 12 MP Resolution Recording
Synchronous 2-ch HDMI, 2-ch VGA, and HDMI1 4K (3840 x 2160) Resolution
Connect Up to 16 IP Cameras with 320 Mbps Incoming Bandwidth
HDD Hot-Swap with Configurable RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Third-Party Network Cameras Supported
