32 Channel NVR (4 SATA, H.265+) Dual OS support, H.265/H.264/MPEG4, support recording up to 8MP resolution, recording bandwidth: 256Mbps, Monitoring bandwidth: 160Mbps, 1 x HDMI (support 4K, 2K, 1080p output), 1xVGA support (1080p), 1x Audio output, simultaneous playback from recording: 16 channels, 4 x SATA (up to 6TB), bi-directional audio support, ANR, 2x 10/100/1000 Mbps Ethernet Interface, 1xRS485, 1xRS232, 2xUSB 2.0, 1x USB 3.0, Alarm input/output: 16/4, Rack mountable: 1.5U