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DS-8664NXI-I8-S 64-Channel 4K AcuSense Network Video Recorder – Advanced Security NVR

Enterprise-level 64-channel NVR with intelligent analytics, 4K HDMI output, and perimeter protection — perfect for large surveillance systems.
The DS-8664NXI-I8-S 64-Channel Network Video Recorder is a professional surveillance powerhouse designed for demanding security environments like offices, campuses, retail centers, and industrial sites. It supports up to 64 IP cameras, letting you capture and manage wide-area coverage with high-definition clarity up to 4K.
Built with advanced AcuSense analytics, this NVR uses deep-learning algorithms to help you focus on meaningful events by detecting people and vehicles while reducing false alerts. You’ll find features like perimeter protection and facial recognition that enhance real-world threat detection and make reviewing footage much easier.
With support for efficient H.265+/H.265/H.264 encoding, you’ll save on storage without sacrificing quality, and 384 Mbps incoming bandwidth ensures smooth handling of multiple high-resolution streams at once. Live views and playback are crystal clear with 4K HDMI output, and flexible hard-drive support means you can keep an extensive video history on hand.
Whether you’re securing a large property or integrating into a complex CCTV setup, this NVR delivers reliable performance and smart monitoring in one package.
| AI by NVR | Facial recognition, perimeter protection, motion detection 2.0 |
|---|---|
| AI by Camera | Facial recognition, perimeter protection, video structuralization, throwing objects from building, motion detection 2.0, ANPR, people counting, VCA |
| Engine | 1, engine mode is adjustable |
| Facial Detection and Analytics | Face picture comparison, human face capture, face picture search |
| Face Picture Library | Up to 16 face picture libraries, with up to 50,000 face pictures in total (each picture ≤ 512 KB, total capacity ≤ 1 GB) |
| IP Video Input | 64-ch |
| Incoming Bandwidth | 384 Mbps |
| Outgoing Bandwidth | 256 Mbps |
| HDMI 1 Output | 4K (3840 × 2160)/30 Hz, 2K (2560 × 1440)/60 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz |
| HDMI 2 Output | 4K (3840 × 2160)/30 Hz, 2K (2560 × 1440)/60 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz |
| VGA 1 Output | 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz |
| VGA 2 Output | 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz |
| Video Output Mode | HDMI1/VGA1 simultaneous output, HDMI2/VGA2 simultaneous output,HDMI1/HDMI2 independent output |
| Audio Output | 2-ch, RCA (Linear, 1 KΩ) |
| Decoding Format | H.265+/H.265/H.264+/H.264 |
| Recording Resolution | 32 MP/24 MP/12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080p/UXGA/720p/VGA /4CIF/DCIF/2CIF/CIF/QCIF *: The NVR supports up to 4-ch 32 MP/24 MP IP video inputs. |
| Decoding Capability | Enable AI by NVR: 20-ch@1080p (30 fps) Disable AI by NVR: 32-ch@1080p (30 fps) |
| Network Interface | 2, RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface |
| Remote Connection | 128 |
| Network Protocol | TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS, ONVIF(Version 2.2), OTAP |
| Camera Access Protocol | ONVIF(Version 2.5), RTSP |
| RAID Type | RAID0, RAID1, RAID5, RAID6, RAID10 Support global hot spare Notes: RAID function and AI functions are mutually exclusive. |
| Serial Interface | 1 RS-485 (full-duplex), 1 RS-232 |
| SATA | 8 SATA interfaces |
| Capacity | Up to 16 TB capacity for each disk |
| eSATA | 1 eSATA interface |
| USB Interface | Front panel: 2 × USB 2.0; Rear panel: 2 × USB 3.0 |
| GUI Language | English, Russian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Turkish, Japanese, Danish, Swedish Language, Norwegian, Finnish, Korean, Traditional Chinese, Thai, Estonian, Vietnamese, Croatian, Slovenian, Serbian, Latvian, Lithuanian, Uzbek, Kazakh, Arabic, Ukrainian, Kyrgyz , Brazilian Portuguese, Indonesian, Hebrew |
| Power Supply | 100 to 240 VAC, 50 to 60 Hz |
| Consumption | ≤ 30 W (without HDD) |
| Dimension (W × D × H) | 440 × 457 × 94 mm ( 17.4"× 18.0" × 3.7") |
| Obtained Certification | CE, CB, REACH, WEEE, UKCA, LOA |






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