128 Channel 2U Ultra 4K H.265 Network Video Recorder (1st Screen: 1/4/8/9/16/25/36 ,2nd Screen: 1/4/8/9/16) H.265/H.264/MJPEG codec decoding Max 384Mbps incoming bandwidth Up to 12Mp resolution preview & playback 2HDMI(different Source)/VGA simultaneous video output Support 8 SATA (8TB for each HDD),1 eSATA Port Support Raid 0/1/5/10 Support Smart Tracking and Intelligent Video 4 USB(2 USB3.0, 2 USB2.0), 2*1000 Mbps Network Card RS232 , RS485, 16/8 Alarm In/Output