REOLINK 4K PoE Security Camera System: In-Depth Review

Enter the REOLINK 4K PoE Security Camera System RLK16-800D8, a wired security solution boasting 8 high-definition 8MP cameras, intelligent person/vehicle detection, and a powerful 16-channel NVR with a built-in 4TB hard drive. In this in-depth review, we’ll explore the system’s key features, real-world performance, customer feedback, pros and cons, and finally deliver a verdict on whether it lives up to its promises and price tag.

Key Features and Specifications

The REOLINK RLK16-800D8 is packed with a wide range of specifications that cater to both home and business security needs.

Technical Specifications

Feature	Details
Brand	REOLINK
Model	RLK16-800D8
Connectivity	Wired (PoE – Power over Ethernet)
Cameras Included	8 PoE 8MP Cameras
Video Resolution	4K Ultra HD (3840 x 2160)
NVR Channels	16
Storage	Pre-installed 4TB HDD (Expandable to 16TB)
Video Compression	H.265
Night Vision	Yes (Infrared)
Smart Detection	Person & Vehicle Detection
Waterproof Rating	IP66
Remote Access	Reolink App (iOS, Android)
Recording Mode	24/7 Continuous or Motion-Triggered

This system is designed to offer comprehensive coverage with expandable storage, intuitive detection features, and a seamless remote interface. The cameras are encased in weatherproof housing suitable for outdoor use, and the PoE setup ensures ease of installation without needing separate power adapters for each camera.

Performance

Video Quality

The defining strength of this system lies in its true 4K video resolution. With 8MP sensors capable of capturing at 3840×2160 pixels, the footage is noticeably clearer than standard 1080p setups. Fine details such as license plates, facial features, and distant movements are easier to detect, even when zooming in.

The “Clear Stream” mode elevates this further by optimizing the bitrate to deliver more vivid and fluid video with minimal compression artifacts. When paired with a 4K monitor, the difference is striking, particularly in daylight conditions.

Night Vision

At night, the infrared LEDs provide black-and-white vision that’s usable up to about 100 feet. The clarity drops slightly in low-light conditions, but the image remains sharp enough for most purposes. Some users have noted that fine textures are harder to distinguish in pitch-dark scenarios, but overall the night vision performance is reliable.

Smart Detection

Another standout feature is the AI-based detection for persons and vehicles. This drastically reduces false alerts triggered by wind, trees, or animals. Users can also set detection preferences — for example, receiving alerts only when a vehicle enters a specific area, making the system more intelligent than traditional motion sensors.

Storage and Recording

The 4TB built-in hard drive provides ample space for continuous 24/7 recording, and the system supports an additional drive, allowing for a maximum of 16TB total capacity. With H.265 compression, storage efficiency is improved without significantly degrading quality.

Remote Access and App Performance

REOLINK’s mobile and desktop apps offer seamless access to live footage and recordings. Whether using Wi-Fi or 4G/LTE, the interface is smooth and intuitive. Users can view multiple cameras simultaneously, rewind footage, or save clips to their devices. Push notifications for events are also customizable, enhancing control and convenience.

Customer Feedback

While the system is generally well-received, customer reviews highlight both the strengths and limitations of the RLK16-800D8.

Positive Highlights

Aspect	Customer Opinion
Installation	Easy for DIY; PoE makes wiring simple
Image Quality	Excellent during the day, impressive clarity
Detection Features	Intelligent filtering of unnecessary alerts
App Experience	Smooth performance with minimal lag
Build Quality	Solid, weather-resistant housing for outdoors

Critical Feedback

Aspect	Customer Concern
Camera Reliability	Some units failed after several months
Night Vision	Inconsistent clarity in complete darkness
Sound Quality	Audio pickup is present but not exceptional

In essence, while the majority of users praise the ease of use, visual quality, and smart features, there is a segment that reports hardware malfunctions or limited performance in certain use cases (e.g., night monitoring in unlit areas).

Pros and Cons

To further evaluate whether this system is a good fit for your needs, here’s a consolidated look at its advantages and drawbacks.

Pros

Strength	Description
True 4K Resolution	Ultra-clear images for detailed monitoring
Smart AI Detection	Reduces false alerts with shape-based person/vehicle ID
PoE Simplicity	One cable for power + video simplifies setup
Generous Storage	4TB included, expandable to 16TB for long-term recording
High Build Quality	IP66-rated weatherproof cameras
Continuous or Motion Recording	Flexibility for surveillance strategy
Remote Access Anywhere	Free app for live view and playback

Cons

Weakness	Description
Occasional Camera Failures	Some users reported malfunctions or dead units
Night Vision Limitations	Loss of detail in completely dark areas
Inconsistent Audio Quality	Mic performance is not on par with video quality

Despite these drawbacks, the value proposition remains strong, especially for users seeking a powerful plug-and-play solution with intelligent features and full 4K clarity.

Final Verdict

The REOLINK RLK16-800D8 is a robust, high-resolution security camera system designed for users who want uncompromising video quality, flexible recording options, and smart AI-based monitoring. With its PoE design, setup is accessible even to first-time users, and the included 4TB HDD ensures long-term video storage right out of the box.

The system excels in daylight performance, remote app integration, and accurate detection, making it a compelling choice for residential homes, small businesses, or anyone serious about property monitoring. While it’s not entirely without flaws—particularly in audio capture and night-time sharpness—the overall reliability and feature set outweigh its limitations.

Check out our security cam reviews below.

• Best Solar-Powered Wireless Security Camera
• Best PoE Security Camera System
• Best Cellular Security Camera
• Best 4K Color Night Vision Security Camera
• Best Outdoor Security Camera Without Subscription