H.265+, H.265, H.264+, H.264, MPEG4 Video Formats  Up to 12 Megapixels Resolution Recording  Synchronous 2-ch HDMI, 2-ch VGA and HDMI1 4 K (3840 x 2160) Resolution  Connect Up to 32/64 IP Cameras with 320 Mbps Incoming Bandwidth  Up to 8 SATA HDD and 1 eSATA Interface for Record and Backup  HDD Hot-Swap with Configurable RAID0, RAID1, RAID5, RAID6, RAID10  VCA Detection Alarm and VCA Search  RS-485 Control Hikvision-C and Pelco D/P Protocol  Instant Camera Playback During Multi-Channel Live View  16-ch Synchronous Playback  Reverse Playback for Multi-Channels  Smart Search and Playback for Efficiency  Customization of Tags, Searching, and Playing Back by Tags  Alarm I/O, 16/4  HDD Quota and Group Management  HikConnect DDNS (Dynamic Domain Name System)  Third-Party Network Cameras Supported