Hikvison DS-9664NI-I8 NVR, 64-Channel, H.264/H.264+/H.265, up to 12MP, HDMI (1-4K; 1- 1080p), 16-SATA, No HDDH.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