32/64 Channel 2U 4K&H.265 Pro Network Video Recorder >H.265/H.264/MJPEG/MPEG4 codec decoding >Max 320Mbps incoming bandwidth >Up to 12Mp resolution preview&playback >2HDMI/VGA simultaneous video output >3D intelligent positioning with Dahua PTZ camera >Support RAID 0/1/5/6/10 System Main Processor Quad-core embedded processor Operating System Embedded LINUX Display Interface 2 HDMI (1 HDMI up to 3840x2160, Different Source ), 1 VGA Resolution 3840x2160, 1920×1080, 1280×1024, 1280×720, 1024×768 Multi-screen Display 1st screen: 16CH: 1/4/8/9/16 32CH: 1/4/8/9/16/25/36 64CH: 1/4/8/9/16/25/36 2nd screen: 1/4/8/9/16 OSD Camera title, Time, Video loss, Camera lock, Motion detection, Recording Video Detection and Alarm Trigger Events Recording, PTZ, Tour, Alarm Out, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips Video Detection Motion Detection, MD Zones: 396 (22 × 18), Video Loss and Tampering Alarm input 16 Channel, Low Level Effective, Green Terminal Interface Relay Output 6 Channel, NO/NC Programmable, Green Terminal Interface Tracking Trigger Event N/A Playback and Backup Sync Playback 1/4/9/16 Search Mode Time /Date, Alarm, MD and Exact Search (accurate to second) Playback Function Play, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, Digital Zoom Backup Mode USB Device/Network/Internal SATA burner/eSATA Device Storage Internal HDD 8 SATA III Ports, up to 8TB capacity for each HDD HDD Mode Single, Raid 0/1/5/6/10 (Enterprise-level HDDs are recommended) eSATA 1 eSATA port SAS N/A