The Hikvision 64-Channel AcuSense NVR DS-9664NXI-I8/S (8MP/4K+64CH+AI Analytics+Face Recognition+H.265+) is a high-performance 2U 4K network video recorder designed for enterprise-level video surveillance.
It supports up to 64 IP camera inputs with resolutions up to 8MP/4K, and delivers reliable video management with up to 320 Mbps incoming bandwidth.
Equipped with AcuSense technology, it provides AI-powered perimeter protection, filtering human and vehicle targets to reduce false alarms. It also features facial recognition (1-ch video stream or up to 4-ch face picture comparison) for advanced security applications.
With support for H.265+/H.265/H.264+/H.264 compression, it optimizes storage while maintaining video quality. The NVR also supports up to 16-ch 1080p decoding capability, ensuring smooth playback for large installations.
Additionally, it allows integration with up to 8 IP speakers, enhancing audio management in surveillance systems.
Key Features:
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64-channel 4K AcuSense NVR
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AI analytics with deep learning
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Perimeter protection (up to 4-ch)
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Facial recognition support: 1-ch video or 4-ch face picture
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Supports up to 64 IP cameras (8MP)
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Decoding capacity: up to 16-ch 1080p
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High 320 Mbps incoming bandwidth
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8 IP speaker integration supported
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Efficient H.265+ compression
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2U rackmount design for enterprises
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Intelligent Analytics
- 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 Recognition
- 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)
- Facial Detection and Analytics Performance : 4-ch human face capture (HD network camera, up to 8 MP, H.264/H.265)
- Face Picture Comparison : 8-ch
Motion Detection 2.0
- Human/Vehicle Analysis : N/A
- By NVR : All channels for Hikvision cameras
- By Camera : All channels
Perimeter Protection
- Human/Vehicle Analysis : N/A
- By NVR
4-ch, 2 MP (H.264/H.265) video analysis for human and vehicle recognition to reduce false alarm;
Up to 12 rules in total
- By Camera : All channels
ANPR
- By Camera : All channels
- Vehicle Attributes : Plate number, license plate color, license plate type
- Plate Attributes : Vehicle brand, vehicle color, vehicle type
Video and Audio
- 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
- HDMI 2 Output : 4K (3840 × 2160)/30 Hz, 2K (2560 × 1440)/60 Hz, 1920 × 1080/60 Hz
- VGA 1 Output : 1920 × 1080/60 Hz
- VGA 2 Output : 1920 × 1080/60 Hz
- Video Output Mode : HDMI1/VGA1 simultaneous output, HDMI2/VGA2 simultaneous output,HDMI1/HDMI2 independent output
- CVBS Output : 1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480
- Audio Output : 2-ch, RCA (Linear, 1 KΩ)
- Two-Way Audio : 1-ch, RCA (2.0 Vp-p, 1 KΩ)
Decoding
- 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.
- Live View Window Division : 1/2/4/6/8/9/16/25/32/36/64
- Aux Port Window Division : 1/2/4/6/8/9/16/25/32/36
- Dual-Stream Recording : Support
- Audio Compression : G.711ulaw/G.711alaw/G.722/G.726/AAC/MP2L2/PCM
- Decoding Format : H.265+/H.265/H.264+/H.264
- Decoding Capability
Enable AI by NVR: 20-ch@1080p (30 fps)
Disable AI by NVR: 32-ch@1080p (30 fps)
- Synchronous Playback : 16-ch
- Stream Type : Video, Video & Audio
Network
- API : ONVIF (profile S/G); SDK; ISAPI
- Compatible Browser : IE11, Chrome V57, Firefox V52, Safari V12, Edge V89, or above version
- Network Protocol : TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS
- Remote Connection : 128
- Network Interface : 2, RJ-45 10/100/1000 Mbps self-adaptive Ethernet interface
- Camera Access Protocol : ONVIF(Version 2.5), RTSP
RAID
- RAID Type : RAID0, RAID1, RAID5, RAID6, RAID10 Support global hot spare
Auxiliary Interface
- SATA : 8 SATA interfaces
- eSATA : 1 eSATA interface
- Capacity : Up to 16 TB capacity for each disk
- Serial Interface : 1 RS-485 (full-duplex), 1 RS-232
- USB Interface : Front panel: 2 × USB 2.0; Rear panel: 2 × USB 3.0
- Alarm In/Out : 16/9
- Ctrl 12V
Controllable 12 VDC, 1 A power output for external alarm device; The power will be turned on when the alarm output is triggered.
*: The Ctrl 12V power is controlled by alarm output 9.
- DC 12V : 12VDC, 1 A power output
General
- 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)
- Working Temperature : -10 °C to 55 °C (14 °F to 131 °F)
- Working Humidity : 10% to 90%
- Chassis : 2U chassis
- Dimension (W × D × H) : 445 × 460 × 93 mm (17.5″× 18.1″ × 3.7″)
- Weight : ≤ 8.3 kg (18.3lb.)
Certification
- FCC : N/A
- CE : EN 55032:2015, EN 61000-3-2, EN 61000-3-3, EN 50130-4
- Obtained Certification : CE, CB, REACH, WEEE, UKCA, LOA









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