Product SKU: NVR502-32E-IM-G
Product Overview
The Uniview NVR502-32E-IM-G 32CH Prime Series Network Video Recorder with Smart AI, 2 HDD Bays and 32MP Recording is a professional 1U NVR designed for medium to large CCTV systems. It supports up to 32 IP camera channels, Ultra 265, H.265 and H.264 video formats, and recording resolutions up to 32MP for high-resolution surveillance deployments. With 192Mbps incoming bandwidth, 192Mbps outgoing bandwidth, 2 SATA HDD interfaces, RAID 1 support, redundant storage, ANR, 4 alarm inputs, 1 alarm output and dual Gigabit network interfaces, it provides a capable recording platform for commercial security projects. The NVR502-32E-IM-G also supports HDMI and VGA simultaneous output, HDMI up to 4K, smart functions by IPC and NVR, AcuSearch, AcuTrack, SeekFree, face detection, SIP, video metadata, LPR and cloud upgrade support for efficient event search and system management.
Key Capabilities
32-Channel Recording
Supports up to 32 IP camera inputs for scalable commercial and multi-camera CCTV systems.
32MP Recording Support
Supports recording resolutions up to 32MP for compatible high-resolution IP cameras.
2 SATA HDD Bays
Provides 2 SATA interfaces with support for up to 24TB per HDD, subject to hard drive size and operating conditions.
Smart AI Search
Supports AcuSearch, AcuTrack, SeekFree, smart search and VCA search functions for faster footage review.
Smart by NVR
Supports face detection, Smart Intrusion Prevention, video metadata and plate comparison by the NVR.
4K HDMI Output
HDMI output supports up to 4K resolution, with VGA and HDMI simultaneous output for local monitoring.
Best For
- Commercial CCTV Systems: Suitable for businesses needing up to 32 IP camera channels with high-resolution recording and smart event review.
- Retail and Shopping Sites: Smart search, people counting reports, face detection and POS support help improve investigation workflows.
- Warehouses and Logistics: 192Mbps bandwidth, 2 HDD bays and smart intrusion functions suit loading docks, storage zones and operational areas.
- Education and Office Buildings: 32-channel input, 4K HDMI output and smart search support multi-area surveillance across larger premises.
- AI-Ready Surveillance Projects: Smart by IPC and Smart by NVR functions support advanced analytics when paired with compatible cameras.
Why Choose the NVR502-32E-IM-G
Choose the Uniview NVR502-32E-IM-G when the installation needs a 32-channel NVR with high-resolution recording, smart AI functions and flexible storage management. It supports up to 32MP recording, 192Mbps incoming and outgoing bandwidth, 2 SATA HDD bays, RAID 1, redundant storage, ANR and dual Gigabit network interfaces for reliable surveillance recording. Smart by IPC, Smart by NVR, face detection, SIP, video metadata, LPR, AcuSearch, AcuTrack and SeekFree help make footage searching more efficient across compatible systems. This model, supplied by Security Wholesalers, is a strong Uniview Prime Series option for commercial sites needing scalable recording, smart search and practical 2-HDD storage capacity.
Buyer Decision Tips
Buyer Tip: Choose this model when you need a 32-channel Uniview NVR with 2 HDD bays, 32MP recording support, 4K HDMI output, smart AI search, alarm I/O and dual Gigabit network interfaces.
Buyer Tip: Confirm camera count, recording resolution, retention period, HDD sizing, RAID 1 requirements, incoming bandwidth, smart analytics compatibility and monitor output needs before installation.
Key Features & Technical Specifications
| Product Type | 32-channel 1U network video recorder. |
| Model | NVR502-32E-IM-G. |
| Brand | Uniview / UNV. |
| Series | Prime Series, NVR502-E-IM-G Series. |
| IP Video Input | 32 channels. |
| Video Formats | Ultra 265, H.265 and H.264. |
| Recording Resolution | 32MP, 16MP, 12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080p, 960p, 720p, D1, 2CIF and CIF. |
| Incoming Bandwidth | 192Mbps. |
| Outgoing Bandwidth | 192Mbps. |
| Remote Users | 128. |
| Max Users Can Be Added | 32. |
| Decoding Format | Ultra 265, H.265 and H.264. |
| H.265 Decoding Capability | Smart off: up to 2 x 32MP@30, 4 x 16MP@30, 5 x 12MP@30, 8 x 4K@30, 10 x 6MP@30, 12 x 5MP@30, 16 x 4MP@30, 20 x 3MP@30 or 32 x 1080p@30. |
| H.264 Decoding Capability | Smart off: up to 2 x 32MP@30, 4 x 16MP@30, 5 x 12MP@30, 8 x 4K@30, 10 x 6MP@30, 12 x 5MP@30, 16 x 4MP@30, 20 x 3MP@30 or 32 x 1080p@30. |
| Smart On Decoding Note | When Smart by NVR is enabled, 16 x 1080p@30 decoding capacity is consumed. |
| Video Output | 1 x HDMI and 1 x VGA, with HDMI and VGA simultaneous output. |
| HDMI Output | Up to 4K, 3840 x 2160 at 30Hz. |
| VGA Output | Up to 1920 x 1080 at 60Hz, with additional lower output options supported. |
| HDMI Standard | HDMI 1.4. |
| Live View Display | 1, 4, 6, 8, 9, 16, 25 or 32-window display. |
| Default Live Screen | 32 windows. |
| Corridor Mode Display | 3, 4, 5, 7, 9, 10, 12, 16 or 32-window display. |
| Playback Screen | 1, 4, 9 or 16-window playback. |
| Concurrent Playback | 32 channels. |
| Synchronous Local Playback | 16 channels. |
| Audio Input | 1 x RCA audio input. |
| Audio Output | 1 x RCA audio output. |
| Two-Way Audio | 1 channel using the audio input and output. |
| Audio Compression | G.711A and G.711U. |
| IP Speaker | 16 channels. |
| POS Support | All channels. |
| Smart by IPC | All channels, up to 16 images per second in total; face detection, vehicle detection, LPR, temperature detection, SIP, UMD, video metadata, traffic monitoring and people counting by compatible cameras. |
| Smart by NVR | Face detection, Smart Intrusion Prevention, video metadata and plate comparison. |
| Smart by NVR Analyzer Mode | Single Mode for SIP and Mixed Mode for mixed traffic detection with AcuSearch / AcuTrack; modes cannot be active simultaneously. |
| VCA Search | Behaviour search, motor vehicle search, non-motor vehicle search, human body search, general search, people counting report, SmartSearch+, AcuSearch, AcuTrack and SeekFree. |
| AcuSearch Performance | All channels with compatible UNV SIP/UMD cameras; up to 16 channels with normal cameras, depending on resolution and camera support. |
| SeekFree Performance | All channels with compatible UNV SIP/UMD cameras; up to 16 channels with normal cameras, depending on resolution and camera support. |
| SeekFree Language | English. |
| Search by Image | Supported. |
| Plate Comparison | Supported. |
| Vehicle Number Library | Up to 5 vehicle picture libraries, with up to 25,000 vehicle pictures in total. |
| Video Metadata Type | Supports motor vehicle, non-motor vehicle and human body metadata attributes when used with compatible analytics. |
| General Alarm | Defocus detection, scene change detection, object left behind, object removed, auto tracking, motion detection, tampering, human body detection, video loss, audio detection and alarm input. |
| Alert Alarm | IP conflict, network disconnected, disk offline, disk abnormal, illegal access, hard disk space low, hard disk full, recording/snapshot abnormal, array damaged and array degraded. |
| Alarm Input | 4 channels. |
| Alarm Output | 1 channel. |
| SATA Interfaces | 2 SATA interfaces. |
| HDD Capacity | Up to 24TB per HDD, subject to environment temperature and hard disk size. |
| Disk Group | Supported. |
| Redundant Storage | Supported. |
| Disk Array Type | RAID 1. |
| Hot Swap | Not supported. |
| ANR | Supported to enhance storage reliability when the network is disconnected. |
| Network Interfaces | 2 x RJ45 10M/100M/1000M self-adaptive Ethernet interfaces. |
| Network Working Mode | Multi-access, load balance and network fault-tolerance. |
| Network Protocols | TCP/IP, P2P, SMTP, NFS, RTSP, UPnP, NTP, DHCP, PPPoE, HTTP, DNS, DDNS, IPv6, IPv4 and HTTPS. |
| USB | Front panel: 1 x USB 2.0; rear panel: 1 x USB 2.0 and 1 x USB 3.0. |
| RS485 | 1. |
| PoE Interface | Not supported. |
| Power Supply | DC 12V / 3A. |
| Power Consumption Without HDD | ≤ 25W. |
| Heat Dissipation | Fan and radiator. |
| Rack Height | 1U. |
| Dimensions | 380mm x 322.4mm x 53mm. |
| Weight Without HDD | 1.87kg. |
| Working Temperature | -10°C to 55°C. |
| Working Humidity | ≤ 90% RH non-condensing. |
| Certification | CE, FCC, UL, RoHS and WEEE. |
| NDAA Compliance | Supported. |
Ideal Use Cases
Medium Commercial Systems
Use for businesses needing up to 32 cameras with smart event search and high-resolution recording.
Retail and Shopping Areas
Supports POS, people counting reports, face detection and smart search for efficient investigation workflows.
Warehouses and Logistics
Useful for recording loading docks, stock areas, vehicle lanes, entries and perimeter cameras.
Office and Education Sites
Suitable for multi-area recording across corridors, entries, reception areas and shared spaces.
AI Search Workflows
AcuSearch, AcuTrack, SeekFree, VCA search and image search help reduce footage review time.
High-Resolution Camera Systems
Supports up to 32MP recording for compatible cameras needing higher image detail.
Choosing the Right Model
- Choose this model if: You need a 32-channel Uniview NVR with 2 HDD bays, 32MP recording support, 192Mbps bandwidth, Smart by NVR, AcuSearch, AcuTrack, SeekFree and 4K HDMI output.
- Choose a PoE NVR if: You want plug-and-play camera power directly from the recorder rather than using a separate PoE switch.
- Choose a larger NVR if: The site needs more than 2 HDD bays, longer retention or higher storage redundancy.
- Check analytics compatibility: Smart features such as SIP, LPR, AcuSearch and SeekFree depend on supported cameras and system configuration.
- Check storage requirements: Confirm HDD capacity, RAID 1 needs, recording schedule, camera bitrate and retention target before installation.
FAQs
- How many cameras does the Uniview NVR502-32E-IM-G support?
The Uniview NVR502-32E-IM-G supports up to 32 IP camera channels. It is suitable for medium to large CCTV systems across commercial, retail, warehouse, education and office environments. - Does this NVR include PoE ports?
No. The NVR502-32E-IM-G does not include built-in PoE camera ports. Cameras should be powered using suitable PoE switches, PoE injectors or compatible external power supplies depending on the system design. - How many hard drives can it take?
This NVR includes 2 SATA hard drive interfaces and supports up to 24TB per HDD, subject to hard drive size and operating temperature. It also supports disk group, redundant storage and RAID 1. - What recording resolution does it support?
The recorder supports recording resolutions up to 32MP, plus 16MP, 12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080p and lower resolutions. This allows mixed-resolution camera systems to be recorded on the same NVR. - What smart AI features are supported?
The NVR supports smart functions by compatible cameras and by NVR, including face detection, Smart Intrusion Prevention, video metadata, plate comparison, VCA search, AcuSearch, AcuTrack, SeekFree and search by image. Actual function availability depends on camera compatibility and system configuration. - Does it support 4K monitor output?
Yes. The HDMI output supports up to 4K resolution at 3840 x 2160 at 30Hz. The recorder also includes VGA output and supports HDMI and VGA simultaneous output for local monitoring. - What bandwidth does the NVR502-32E-IM-G support?
The NVR supports 192Mbps incoming bandwidth and 192Mbps outgoing bandwidth. Camera bitrate, resolution, frame rate and compression settings should be planned so the total system load stays within these limits. - What should I check before buying the NVR502-32E-IM-G?
Before buying, confirm camera count, total bitrate, recording resolution, HDD capacity, RAID 1 needs, retention target, monitor output, alarm I/O, network design and smart feature compatibility. Security Wholesalers can supply this Uniview NVR for compatible CCTV systems.
Additional Information
Uniview NVR502-E-IM-G Series Network Video Recorder Datasheet

















