4K 64 Channel NVR (8 SATA, H.265+, RAID) Dual OS support, H.265+/H.265/H.265/H.264+/H.264/MPEG4, Support recording up to 12MP resolution, recording bandwidth: 320Mbps, Monitoring bandwidth: 256Mbps (with RAID on: 200Mbps/200Mbps), 2 x HDMI (support 4K, 2K, 1080p output), 2xVGA support (support 2K, 1080p), 2x Audio output, simultaneous playback from recording: 16 channels, 8xSATA (up to 6TB), bi-directional audio support, ANR, 2x10/100/1000 Mbps Ethernet Interface, 1xRS485, 1xRS232, 1xKeyboard, 2xUSB 2.0, 1x USB 3.0, Alarm input/output: 16/4, RAID 0,1,5,6,10, 2U