NVR / Recorders › NVR816-64-R-IM-4G / 128-R-IM-8G
Uniview (UNV)NVR816-R-IM Series · 16× SATA HDD
16-HDD Network Video Recorder · R-IM Series
NVR816-64-R-IM-4G / 128-R-IM-8G
64 / 128-channel network video recorder — 16 hot-swap SATA bays with RAID 0/1/5/6/10/50/60, two independent 4K HDMI outputs plus VGA, records cameras up to 12MP, with 512 Mbps incoming bandwidth and an optional redundant power supply.
12MP · max recordingUltra 265 · low storage2× HDMI 4K · + VGA independent16× SATA · up to 16 TB eachRAID 0/1/5/6/10/50/60 · hot-swap redundancy38 languages · local interface
Choose your size — two models on this page
Rule of thumb: count your cameras across the whole deployment, then leave room to grow — 64 channels covers a large single site; step up to the 128-R-IM-8G for a multi-building campus or a central monitoring room aggregating several sites. Highlighted rows in the spec table below show every difference between the two. The -4G/-8G/-16G suffix indicates the built-in AI computing memory (RAM) capacity.
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The Uniview NVR816-R-IM Series is a 16-HDD, 3U rack-mount network video recorder offered in two sizes: NVR816-64-R-IM-4G (64-ch) and NVR816-128-R-IM-8G (128-ch). Both record cameras up to 12MP with Ultra 265 / H.265 / H.264 compression, output independently over two HDMI ports (each up to 4K) plus one VGA port, and support hot-swappable SATA bays with RAID 0/1/5/6/10/50/60 and an optional second power supply for redundancy. Each of the 16 SATA bays takes a hard disk up to 16 TB, two miniSAS ports allow expansion to an external disk enclosure, and the local interface is available in 38 languages including Spanish (Latin America), Portuguese (Brazil) and French.
Is this the right recorder for you?
Plain-language guide for buyers and installers — based only on what this recorder actually does.
Large campuses & enterprise sites64 or 128 channels in one 3U box covers a major site or aggregates several buildings without stacking multiple recorders.
Storage that can't afford to fail16 hot-swap SATA bays with RAID 0/1/5/6/10/50/60 and N+1 hot spare protect footage — a failed disk swaps out live, without taking the recorder offline.
Long-term evidence at scale16 bays up to 16 TB each (up to 256 TB total), plus two miniSAS ports to add an external 16-bay enclosure for another 256 TB when you outgrow the internal bays.
Video walls & control roomsTwo independent HDMI outputs (4K each) plus VGA, and optional 4-ch/7-ch HDMI decoding cards in the rear slots, drive multiple large-format displays from one unit.
Redundant power for critical sitesAn optional second power supply (PWR-DC12-350A-IN) keeps recording through a single PSU failure — order it alongside the recorder for sites that can't go dark.
City-scale vehicle & face searchVCA Search covers face snapshot, face comparison, motor and non-motor vehicle, human body and general search, plus a vehicle picture library for up to 25,000 vehicle images across 5 libraries.
Local-language interface38 GUI languages including Spanish (Latin America), Portuguese (Brazil) and French — your customer operates it in their own language.
Not the right pick if you need…
- A compact desktop unit — this is a 3U, 482×533×131mm rack-mount chassis (about 12.5kg without HDDs), not a desktop recorder
- Built-in PoE ports — cameras need a separate PoE switch
- A second power supply included as standard — the redundant PSU (PWR-DC12-350A-IN) is an optional add-on, not included
- A small deployment — this series starts at 64 channels; a lower-channel Uniview NVR fits smaller sites better
- Full NVR-side smart analytics on any third-party camera — Smart-by-NVR functions on non-Uniview ("normal") cameras are capped to 32-ch on the 64-R-IM-4G / 64-ch on the 128-R-IM-8G, not all channels
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Key Features
Complete list from the official datasheet.
Support Ultra 265 / H.265 / H.264 video formats
64/128-channel input
Support mainstream cameras of ONVIF conformance (Profile S, Profile G, Profile T) and RTSP protocols
Support 2-ch HDMI, 1-ch VGA, HDMI at up to 4K (3840×2160) resolution
HDMI1, HDMI2 and VGA independent outputs provided
Up to 12 Megapixels resolution recording
Redundant power supply optional
Support HDD hot swap with RAID 0, 1, 5, 6, 10, 50, 60 storage scheme configurable
Support 2 miniSAS Interfaces
Support 12V power output
ANR technology to enhance the storage reliability when the network is disconnected
Support Video Metadata
Support cloud upgrade
Support N+1 Hot spare
Sixteen bays. Seven RAID levels. Zero downtime.
Two real capabilities from the datasheet that matter most on large, mission-critical sites: hot-swap storage redundancy and city-scale smart search.
HOT-SWAP STORAGE
16 bays, seven RAID levels, one live swap
16 hot-swap SATA bays with RAID 0/1/5/6/10/50/60 and N+1 hot spare — replace a failed disk without powering down, and expand further with two miniSAS ports to an external 16-bay enclosure.
SMART SEARCH AT SCALE
Find one face or one vehicle across 128 channels
VCA Search indexes face snapshots, face comparisons, motor and non-motor vehicles, and human bodies — combined with a vehicle picture library holding up to 25,000 images across 5 libraries, so investigators jump straight to the match instead of scrubbing footage channel by channel.
Which size fits your project?
Bars show camera capacity per model. Click the model buttons above to switch — the spec table highlights every other difference.
NVR816-64-R-IM-4G32-ch NVR-side smart on normal cameras · sync playback 16-ch
64cameras
NVR816-128-R-IM-8G64-ch NVR-side smart on normal cameras · sync playback 16-ch
128cameras
Who uses it, where it goes and how to size it
Written for the Uniview NVR816-64-R-IM-4G and NVR816-128-R-IM-8G from the official datasheet: 64 or 128 channels sharing 512 Mbps, built-in NVR-side face, SIP and video-metadata analysis on 32 or 64 channels of ordinary cameras, ONVIF Profile S/G/T, 16 hot-swap bays up to 16 TB with RAID 0/1/5/6/10/50/60, optional second power supply.
Which variant suits which project
- NVR816-64-R-IM-4G: smart search without replacing cameras — Sites with up to 64 existing ordinary cameras that want face, intrusion (SIP) or person/vehicle attribute search: the recorder analyses up to 32 of those channels itself, and 512 Mbps leaves 8 Mbps per channel, enough for 4K on all 64.
- NVR816-128-R-IM-8G: large estates with mixed cameras — Campuses, hospitals and city projects with up to 128 cameras: NVR-side analysis on 64 ordinary-camera channels, Uniview smart cameras on the rest. With 128 channels in use the average is 4 Mbps per camera, so plan 2–4 MP cameras on H.265.
- Integrators taking over mixed-brand systems — The datasheet states support for mainstream ONVIF Profile S, G and T and RTSP cameras, so existing third-party cameras can be recorded on one Uniview head-end and, within the 32/64-channel limit, analysed by the recorder.
- Investigators who search by description or picture — Video Metadata by NVR tags vehicles by color, type and brand and people by gender, age, mask, hairstyle, bag and clothing length; Search by Image and 5 vehicle picture libraries with 25,000 pictures help find a match fast.
Where and how to install the recorder
- A deep 19-inch rack, on rails — The chassis is 3U, 482 × 533 × 131 mm and up to 12.5 kg without disks. Mount it on the SL-A slide rails in a cabinet deep enough for 533 mm plus cables, so it can slide out to service disks, the power module or a decoding card.
- More heat than other 16-bay models — The built-in analysis raises consumption to ≤ 200 W without disks (the NVR816-64/128 is ≤ 65 W), and the maximum working temperature is 50 °C instead of 55 °C. Put it in an air-conditioned room, leave rack units free above and below it, keep the vents clear, and enable the High CPU Temperature alert.
- Second power module and a larger UPS — Input is AC 100–240 V with a power switch; for redundancy add the optional PWR-DC12-350A-IN (350 W) module and feed the two modules from different circuits or UPS units. Size the UPS on up to 200 W for the recorder plus 16 disks and the PoE switches, noticeably more than for the non-IM models.
- Network: four Gigabit ports — There are 4 RJ45 Gigabit ports and no PoE or SFP. The 512 Mbps input fits in one Gigabit (1000 Mbps) link; keep cameras on one port and operators and the Internet on another. Third-party cameras must be reachable on the camera network with ONVIF enabled and an ONVIF user created in each camera before you add them.
- Disks up to 16 TB, RAID first — This series takes disks up to 16 TB each (not 24 TB as on the NVR816-64/128), and the largest usable size depends on room temperature. Fit 16 identical 3.5-inch surveillance-grade disks, build RAID 6 before recording, keep spares on site, and add the DEU1016-B enclosure on the 2 miniSAS ports if you need more.
- Alarms and screens — Wire sensors to the 24 alarm inputs and sirens or relays to the 8 outputs, using the 12 V output for small devices. HDMI1, HDMI2 (up to 4K) and VGA are independent, and the optional FB-HD04-B-NB / FB-HD07-B-NB cards add 4 or 7 HDMI outputs; clear the VGA video on the preview page to get full 4K on HDMI.
Planning table: channels, bandwidth, disks, RAID and retention
The two models share the 512 Mbps input, 16 bays of up to 16 TB, decoder, outputs and ports. They differ in channels (64 vs 128) and in how many ordinary-camera channels the built-in module can analyse (32 vs 64). Uniview smart cameras do their own analysis and count on all channels on both. Storage is identical, so the 128-ch keeps half as many days at the same bitrate.
| NVR816-64-R-IM-4G | NVR816-128-R-IM-8G | |
|---|---|---|
| IP camera channels | 64 | 128 |
| Incoming bandwidth | 512 Mbps | 512 Mbps |
| Average bitrate per camera with every channel in use | 8 Mbps | 4 Mbps |
| Cameras at 8 Mbps (typical 4K H.265) within the bandwidth | 64 (all channels) | 64 |
| Smart by NVR on normal cameras (face / SIP / video metadata) | 32-ch | 64-ch |
| Smart by IPC (Uniview smart cameras) | All channels, 64 images/s total | All channels, 64 images/s total |
| Third-party cameras | ONVIF Profile S/G/T, RTSP | ONVIF Profile S/G/T, RTSP |
| HDD bays × max capacity per disk | 16 × SATA, ≤ 16 TB | 16 × SATA, ≤ 16 TB |
| Maximum raw storage | 256 TB | 256 TB |
| RAID levels | 0/1/5/6/10/50/60, hot swap | 0/1/5/6/10/50/60, hot swap |
| Usable with all bays in one RAID 5 / RAID 6 array | 240 TB / 224 TB | 240 TB / 224 TB |
| Decoding (live view / playback) | 3×12MP@25, 4×4K@30, 16×1080P@30 | 3×12MP@25, 4×4K@30, 16×1080P@30 |
| Network ports | 4 × RJ45 1000M | 4 × RJ45 1000M |
| Power supply | AC 100–240 V, ≤ 200 W without HDD; 2nd module optional (PWR-DC12-350A-IN) | AC 100–240 V, ≤ 200 W without HDD; 2nd module optional (PWR-DC12-350A-IN) |
| Days on RAID 6 (224 TB), every channel at 4 Mbps | 81.0 (64 cameras) | 40.5 (128 cameras) |
| Days on RAID 6 (224 TB), 4K cameras at 8 Mbps | 40.5 (64 cameras) | 40.5 (64 cameras, bandwidth limit) |
- Pick the NVR816-64-R-IM-4G for up to 64 cameras when no more than 32 ordinary cameras need face, SIP or attribute analysis.
- Pick the NVR816-128-R-IM-8G for up to 128 cameras or 33–64 analysed ordinary channels; above 64, use Uniview smart cameras for the extra channels.
- If you do not need NVR-side analysis and want 24 TB disks and lower power (≤ 65 W), the NVR816-64 / NVR816-128 is the simpler choice.
Assumptions: continuous 24-hour recording, 4 Mbps per 4 MP camera and 8 Mbps per 4K camera (typical H.265 main streams), decimal terabytes. Days = usable TB × 10^12 ÷ (cameras × bitrate ÷ 8 × 86,400). RAID 5 usable = 15 × 16 TB, RAID 6 usable = 14 × 16 TB; formatted capacity is slightly lower, and the datasheet says the largest usable disk depends on room temperature.
Full Specifications
Complete official specifications from the manufacturer's datasheet (technical values in English).
Highlighted rows differ between the two models:NVR816-64-R-IM-4G · 64-chNVR816-128-R-IM-8G · 128-ch
Decoding
| Decoding Format | Ultra 265, H.265, H.264 |
| Decoding Capability | 3 x 12MP@25, 4 x 4K@30, 16 x 1080P@30, 32 x 960P@25, 36 x 720P@30, 64 x D1 |
| Decoding Capability Description | The 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. |
| Audio Compression | G.711A, G.711U |
Network
| Incoming Bandwidth | 512 Mbps |
| Outgoing Bandwidth | 512 Mbps |
| Remote Users | 128 |
| Protocols | TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SNMP, SMTP, NFS, RTSP, 802.1x, IPv6, IPv4 |
| Browser (Plugin) | IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+ |
Video/Audio Input
| IP Video Input | 64-R-IM-4G · 64-ch128-R-IM-8G · 128-ch |
| RCA Audio Input | 1-ch |
Video/Audio Output
| HDMI Output | 4K (3840 × 2160)/30 Hz, 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz |
| VGA Output | 1920 × 1080/60 Hz, 1920 × 1080/50 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz, 1024 × 768/60 Hz |
| RCA Audio Output | 1-ch |
| Liveview Display | VGA: 1/4/6/8/9/16/25/36, HDMI1/HDMI2: 1/4/6/8/9/16/25/36/64 |
| Corridor Mode Screen | 3/4/5/7/9/10/12/16/32 |
Two-way Audio
| Two-way Audio | 1-ch, RCA (using the audio input and output) |
Snapshot
| FTP/Schedule/Event Snapshot | Full-ch snapshot (max. 4000 × 3000 video resolution, with snapshot resolution same as the video resolution) |
Recording
| Recording Resolution | 12 MP/8 MP/6 MP/5 MP/4 MP/3 MP/1080P/960P/720P/D1/2CIF/CIF |
| Synchronous Playback in Local | 16-ch |
Smart
| VCA Detection by IPC | Face Detection, Face Comparison, Vehicle 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 |
| Smart by NVR | Face Detection, Face Comparison, Smart Intrusion Prevention (SIP), Video Metadata (at the same channel, only one smart function by NVR can be enabled simultaneously) |
| VCA Search | Face Snapshot Search, Face Comparison Search, Motor Vehicle Search, Non-Motor Vehicle Search, Human Body Search, General Search, People Counting Report |
| Smart by IPC | All channels (up to 64 images/s in total): Face Detection, Face Comparison, Vehicle Detection, Temperature Detection, SIP, UMD, Video Metadata, Traffic Monitoring |
| by NVR | 64-R-IM-4G · 32-ch128-R-IM-8G · 64-ch |
| Search by Image | Support |
| Vehicle Picture Library | Up to 5 vehicle picture libraries, with up to 25,000 vehicle pictures in total |
| SIP by NVR with normal cameras | 64-R-IM-4G · 32-ch128-R-IM-8G · 64-ch |
| Video Metadata by NVR with normal cameras | 64-R-IM-4G · 32-ch128-R-IM-8G · 64-ch |
| Video Metadata by NVR | Motor Vehicle: Vehicle Color, Vehicle Type, Vehicle Brand, Direction. Non-Motor Vehicle: Non-Motor Vehicle Type, Direction, Gender, Age, Upper Garment Length. Human Body: Gender, Age, Mask, Hairstyle, Bag Style, Direction, Upper Garment Length, Lower Garment Length. |
Alarm
| General Alarm | Defocus Detection, Scene Change Detection, Object Left Behind, Object Removed, Auto Tracking, Motion Detection, Tampering, Human Body Detection, Video Loss, Alarm Input, Audio Detection |
| Alert Alarm | IP 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 |
GUI Language
| GUI Language | 38 languages: Simplified Chinese, Traditional Chinese, English, Vietnamese, Thai, Turkish, Spanish (Latin America), Portuguese (Brazil), Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Hungarian, Slovak, Russian, Hebrew, Arabic, Ukrainian, Estonian, Bulgarian, Greek, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenia, Serbia, Korean, Japanese, Latvian, Lithuanian, Persian |
Hard Disk
| SATA | 16 SATA Interfaces |
| Capacity | Up to 16 TB for each HDD (the maximum HDD capacity varies with environment temperature) |
| Disk Group | Support |
| Redundant Storage | Support |
| Disk Array Type | RAID 0, 1, 5, 6, 10, 50, 60 |
| Hot Swap | Support |
External Interface
| Network Interface | 4 RJ45 10 M/100 M/1000 M self-adaptive Ethernet Interface |
| USB | Front panel: 2 × USB2.0, Rear panel: 2 × USB3.0 |
| RS485 | 1 |
| RS232 | 1 |
| Alarm In | 24-ch |
| Alarm Out | 8-ch |
| eSATA | 1 |
| miniSAS | 2 |
| Power Output | 12 V |
| Power Supply | AC 100 to 240 V |
| Power Switch | Support |
| Redundant Power Supply | Support |
Working Environment
| Working Temperature | -10 °C to 50 °C (14 °F to 122 °F) |
| Working Humidity | ≤ 90% RH (non-condensing) |
| Power Consumption (without HDD) | ≤ 200 W |
Dimensions
| Weight (without HDD) | ≤ 12.5 kg (27.56 lb) |
| Height | 3U |
| Dimensions | 482 mm × 533 mm × 131 mm (19.0" × 21.0" × 5.1") |
Certification
| Certification | CE; FCC; UL; RoHS; WEEE |
| CE | EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035 |
| FCC | Part15 Subpart B |
Dimensions
Engineering drawing reproduced 1:1 from the official datasheet.
unit: mm (in.)
| Dimensions | 482 × 533 × 131 mm (19.0" × 21.0" × 5.1") |
| Weight (without HDD) | ≤ 12.5 kg (27.56 lb) |
| Height | 3U |
| Power supply | AC 100 to 240 V |
| Consumption (without HDD) | ≤ 200 W |
Rear panel — all interfaces
Optional Accessories
Order together with the recorder to save shipping.
FB-HD04-B-NB4-ch HDMI output decoding card
FB-HD07-B-NB7-ch HDMI output decoding card
DEU1016-B16-HDD 3U disk enclosure
SL-ASlide rail
PWR-DC12-350A-IN350W redundant power supply module
64/128-Channel AI NVR FAQ — NVR816-R-IM Series
Do I need smart cameras to get face detection?
No. This IM version runs analytics in the recorder itself — Face Detection, Face Comparison, Smart Intrusion Prevention and Video Metadata work with normal UNV or third-party cameras on 32 channels (NVR816-64-R-IM-4G) or 64 channels (NVR816-128-R-IM-8G). Video Metadata classifies vehicle colour, type, brand and direction automatically.
How is the storage arranged?
Sixteen hot-swap SATA bays, each up to 16 TB — 256 TB total — configurable as RAID 0, 1, 5, 6, 10, 50 or 60 with an N+1 hot spare. Disk Group and Redundant Storage are supported, so a failed drive is swapped live without losing the recording schedule.
How much bandwidth do 128 cameras get?
Incoming and outgoing bandwidth are both 512 Mbps. Fully loaded, the 128-channel model averages 4 Mbps per camera and the 64-channel model 8 Mbps — enough for 1080p to 4MP Ultra 265 mainstreams. Recording resolution goes up to 12 MP per channel.
How fast can I find a suspect or vehicle afterwards?
Search by image is supported, alongside Face Snapshot Search, Face Comparison Search, motor and non-motor vehicle search and human body search. Up to 5 vehicle picture libraries hold 25,000 vehicle pictures in total, and camera-side smart streams arrive on all channels at up to 64 images per second.
What is the difference between the 4G and 8G versions?
NVR816-64-R-IM-4G records 64 IP channels and runs NVR-side analytics on up to 32 of them; NVR816-128-R-IM-8G doubles both — 128 channels with AI on up to 64. Everything else matches: 16 hot-swap bays, RAID 0–60, 512 Mbps intake and four gigabit network interfaces.
Will the NVR816-R-IM record Hikvision, Dahua or other ONVIF cameras, and analyse them?
Yes for recording: the datasheet states support for mainstream ONVIF Profile S, G and T and RTSP cameras. For analysis, the recorder can run face detection/comparison, SIP or video metadata on ordinary cameras on up to 32 channels (64-R-IM-4G) or 64 channels (128-R-IM-8G). Event and analytics behaviour still varies by camera firmware, so send us the models for a check before a large order.
Can the NVR816-R-IM run face recognition and intrusion detection on the same camera?
Not when the recorder does the analysis: the datasheet says only one smart function by NVR can be enabled on a channel at a time (face, SIP or video metadata). Choose the function per camera, for example face on entrance cameras and SIP on fence cameras. If one position needs several functions, use a Uniview smart camera there, because Smart by IPC sends face, vehicle, SIP and UMD events from all channels together.
NVR816-64-R-IM-4G or NVR816-64: what do I gain and lose?
You gain built-in NVR-side analysis on 32 ordinary-camera channels (face, SIP, video metadata), Search by Image, and ONVIF Profile S/G/T stated in the datasheet; on the NVR816-64 NVR-side analysis needs an optional Smart Card. You give up 24 TB disk support (16 TB maximum here), and consumption rises from ≤ 65 W to ≤ 200 W with a 50 °C instead of 55 °C working limit. Bandwidth (512 Mbps), bays, decoding, outputs and ports are the same.
What happens on the NVR816-R-IM when a disk fails, and what does 'N+1 hot spare' do?
With RAID 5/6/50/60, recording continues: the recorder raises Array Degraded, you hot-swap the failed disk while it runs and the array rebuilds; RAID 6 tolerates two failed disks. N+1 hot spare is recorder-level: a standby NVR takes over recording for one of several working NVRs that goes offline, and needs at least two recorders. Disk Group and Redundant Storage can also keep a second copy of critical cameras.
How much power and cooling does the NVR816-R-IM need?
Plan for up to 200 W for the recorder alone, plus 16 disks (more at spin-up), plus the PoE switches, when sizing the UPS; that is about three times the ≤ 65 W of the NVR816-64/128. Keep the room below the 50 °C working limit, and well below it if you use 16 TB disks, since the datasheet ties the largest disk to room temperature. A second power supply is the optional PWR-DC12-350A-IN (350 W) module.
What details can the NVR816-R-IM extract from ordinary cameras for search?
With Video Metadata by NVR (32 channels on the 64-R-IM-4G, 64 on the 128-R-IM-8G) it tags motor vehicles by color, type, brand and direction; non-motor vehicles by type, direction, rider gender, age and upper garment length; and people by gender, age, mask, hairstyle, bag style, direction and garment lengths. You then filter with Human Body, Motor and Non-Motor Vehicle Search or Search by Image. Plate reading is not in the NVR-side list, so number plates need Uniview LPR cameras.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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