CEEN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035
FCCPart15 Subpart B
POSAll channels
USBFront panel: 2 × USB2.0, Rear panel: 2 × USB3.0
SATA4 SATA Interfaces
ClassDate | Title | Download
RS2321
RS4851
TitleLanguage | Type | Download
eSATA1
BuzzerSupport
miniSASN/A
Alarm In16-ch
CapacityUp to 24 TB for each HDD (The maximum HDD capacity varies with environment temperature and hard disk size, The environment temperature for use should not exceed 40°C)
HD Image2026/8/24 10:24:27 | NVR504-32X-IQ_HD_Image_3.png | png | Download
Hot SwapN/A
Alarm Out10-ch
Datasheet2026/7/16 9:37:34 | UNV NVR504-X-IQ Series Network Video Recorder.pdf | English | pdf | Preview | Download
ProtocolsTCP/IP, SMTP, NFS, 802.1x, RTSP, UPnP, NTP, DHCP, PPPoE, HTTP, DNS, DDNS, SNMP, IPv6, IPv4, HTTPS
Dimensions2026/8/24 10:24:27 | NVR504-32X-IQ_Dimensions_1.png | Download
Disk GroupSupport
Ip Speaker32-ch | 64-ch
VCA SearchFace detection Search, Behavior Search, Motor Vehicle Search, Non-Motor Vehicle Search, Human Body Search, General Search, People Counting Report, Heat Map, SmartSearch+, AcuSearch, AcuTrack
VGA Output1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz
miniSAS HDN/A
Alert AlarmIP Conflict, Network Disconnected, Disk Offline, Disk Abnormal, Illegal Access, Hard Disk Space Low, Hard Disk Full, Recording/Snapshot Abnormal, High CPU Temperature, High Motherboard Temperature, Array Damaged, Array Degraded
HDMI Output4K (3840 × 2160)/60 Hz, 4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1280 × 720/60 Hz
Quick Guide2026/6/24 15:45:36 | Quick Guide.pdf | English | pdf | Preview | Download
Power Output12 V
Power SupplyAC 100 to 240 V
Power SwitchSupport
Smart by IPCAll channels (up to 32 images/s in total) Face Detection, Face detection, Vehicle Detection (LPR), Temperature Detection, SIP, UMD, Video Metadata, Traffic Monitoring, People Counting
Smart by NVRFace Detection, Face detection, Ultra Motion Detection (UMD), People Counting (People Flow Counting, Crowd Density Monitoring), Smart Intrusion Prevention (SIP), Plate Comparison
Video OutputSupport 3-ch HDMI, 1-ch VGA, HDMI1 and VGA simultaneous output, HDMI1 /VGA and HDMI2 and HDMI3 independent output.
CertificationCE; FCC; UL; RoHS; WEEE
General AlarmDefocus Detection, Scene Change Detection, Object Left Behind, Object Removed, Auto Tracking, Motion Detection, Tampering, Human Body Detection, Video Loss, Audio Detection, Alarm Input
HDMI StandardHDMI2.0
Plate LibraryUp to 5 plate libraries, with up to 25000 plates in total
Two-way Audio1-ch, RCA (Using the audio input and output)
IP Video Input32-ch | 64-ch
Decoding FormatUltra 265, H.265, H.264
Disk Array TypeRAID 0, 1, 5, 6, 10
Extension BoardN/A
Playback Screen1/4/9/16
RCA Audio Input1-ch
Search by ImageSupport
Browser (Plugin)IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+
Heat DissipationFan, Radiator
Liveview Display1/4/6/8/9/16/25/32
Max Remote Users128
RCA Audio Output3-ch
Working Humidity≤ 90% RH (non-condensing)
Audio CompressionG.711A, G.711U
Network Interface2 RJ45 10 M/100 M/1000 M self-adaptive Ethernet Interface
Redundant StorageSupport
Incoming Bandwidth384 Mbps
Outgoing Bandwidth384 Mbps
Decoding CapabilitySmart Off: H265: 6x 4K@30, 8x 6MP@30, 10x 5MP@30, 12 x 4MP@30, 16 x 3MP@30, 25 x 1080P@30, 50 x 720P@30, 100 x D1@30 H264: 6x 4K@30, 8x 6MP@30, 10x 5MP@30, 12 x 4MP@30, 16 x 3MP@30, 25 x 1080P@30, 50 x 720P@30, 100 x D1@30 Smart On: When Smart by NVR on, the decoding capacity is same as smart off.
Working Temperature-10 ℃ to 50 ℃ (14 ℉ to 122 ℉)
Corridor Mode Screen3/4/5/7/9/10/12/16/32
Network Working ModeMuli-access, load balance, network fault-tolerance
Recording Resolution8 MP/6 MP/5 MP/4 MP/3 MP/1080P/960P/720P/D1/2CIF/CIF
VCA Detection by IPCFace Detection, Face detection, SIP (Intrusion Detection, Cross Line Detection, Enter Area, Leave Area), Ultra Motion Detection (UMD), Temperature Detection (Fire Detection, Smoking Detection, Temperature Measurement, Smoke and Fire Detection), People Counting (People Flow Counting, Crowd Density Monitoring), Video Metadata, Traffic Monitoring, Long Stay Detection, Fall Detection, Multi-Target Detection, Package Detection, Vehicle Detection (LPR)
Acu Track PerformanceAll channels with UNV SIP/UMD Camera, Up to 16-ch with normal camera (UNV and Third-part brand, 16-ch 2MP, 8-ch 4MP, 4-ch 4K)
Browser (Plugin-Free)Chrome 57+, Edge 16+, Firefox 58+, Safari 11+
face detection by NVRAll channels with UNV Face Detection Camera, Up to 4-ch with normal camera (UNV and Third-part brand, 4-ch 2MP, 2-ch 4MP, 1-ch 4K)
Acu Search PerformanceAll channels with UNV SIP/UMD Camera, Up to 16-ch with normal camera (UNV and Third-part brand, 16-ch 2MP, 8-ch 4MP, 4-ch 4K)
Max Users Can Be Added32
Plate Comparion by NVRAll channels with UNV LPR Camera, normal/Third-part brand cameras not supported
Redundant Power SupplyN/A
Intelligent Mark by IPCSupport
Default Num of Live Screen32
Num of Concurrent Playback32-ch
Smart by NVR Analyzer ModeMixed Mode (+AcuSearch), Mixed Mode (SIP+UMD), Modes cannot active simultaneously, only one mode can active at a time.
Synchronous Playback in Local16-ch
SIP by NVR with normal camerasUp to 8-ch with normal camera (UNV and Third-part brand, 8-ch 2MP, 4-ch 4MP, 2-ch 4K)
UMD by NVR with normal camerasUp to 16-ch with normal camera (UNV and Third-part brand, 16-ch 2MP, 8-ch 4MP, 4-ch 4K)
Decoding Capability DescriptionThe resolution of each channel cannot exceed 4096 pixels in length or width, For VGA/HDMI independent output, the VGA live video is output by default. To output the highest resolution video from the HDMI port, please clear the VGA video on the preview page.
Power Consumption (without HDD)≤ 50W
Corridor Mode Screen of Playback1/3
Num of Concurrent Processing AlarmsOne every 5 seconds
