The 5 Best 4k Security Camera Systems Of 2021

Last update on 2021-12-02 / Affiliate links / Ratings / Images from Amazon Product Advertising API

Let’s be honest, among a pool of varied home security camera systems, choosing one in your budget and as per your requirements is tough. 

Apart from the money factor, there are a number of factors that need to be considered. 

Whether it’s your home or workspace, the need for investment in a 4k security camera system has drastically increased. 

Don’t worry; you don’t have to spend hours scrolling through features and reviews to make the final choice. If you would like to take a shortcut, then directly check the winner of our 5 best 4k security system, the Reolink 4K PoE Security Camera System. This product consists of everything that your house needs for complete security. 

You don’t have to rely on anyone for installation, as the options we present today come with easy installation. Not every customer has similar needs, and we understand that. After researching the varied needs of customers, we have prepared this list that satisfies all types of buyers. 

In this article, we have covered:

  • The best 5 security camera system with a detailed review
  • Factors to consider before buying a 4k security camera system 
  • Frequently asked questions

You may want to check this great learning guide answering the question in detail about what is a 4k security camera!

Best Overall

REOLINK 4K Security Camera System, 4pcs H.265 PoE Wired Bullet 4K Cameras...

Last update on 2021-12-02 / Affiliate links / Ratings / Images from Amazon Product Advertising API

1.) Reolink 4K PoE Security Camera System

Made up of four cameras and an NVR, the Reolink 4K PoE Security Camera System provides complete protection to your house 24/7. As said above, the audio aspect of the camera is one of the main reasons for choosing it as the best 4k security system. All that you need to do is check “record audio” for all the cameras on the NVR, and you’ll get access to audios along with recordings. 

When it comes down to clarity, the 3840 × 2160 resolution provides you ultra HD images. Gone are the days to zoom all the way in to understand a particular image. 

Even if you are a complete beginner with no knowledge of setting up a home security camera system, this product has you covered. Since the Power, video, and audio run through a single PoE cable, the installation becomes much easier. They have completely eliminated the concern of getting lost among multiple cables. 

The app is responsive and user-friendly, thereby ensuring as soon as motion occurs, you get an instant notification on the app. Apart from a notification, you’ll also receive the alert in your email. Immediate action is required in such times, and with this device, there is no possibility of delay. 

Another reason for mentioning this product as the best choice is its capability to withstand any weather condition. Whether you install it inside your house or outside, rain or cold weather will not hinder its performance. We noticed that the features offered by this option (at such a low price) are excellent. 

  • 4k Ultra HD: Top-notch clarity
  • Reolink App: Easy access to all the cameras installed in the house
  • Plug and play POE System: Easy setup and installation
  • 100% Reliable: 24/7 recording ensures total safety of the house
  • Money-back Guarantee: 30 days money-back guarantee
  • Excellent features at a low price
  • The most viable option for beginners
  • The money-back-guarantee provides safety to first-time users
  • Lacks advanced methods of motion detection

Help you get rid of all your security concerns by offering one-way audio, thereby ensuring both important aspects (audio and video) are covered. 

Budget-Friendly Option

【5MP CAMERA】SMONET 5MP Home Security Camera System,6X5MP(2560TVL)...

Last update on 2021-12-02 / Affiliate links / Ratings / Images from Amazon Product Advertising API

2. SMONET Wired Security Camera System

The SMONET Wired Security Camera System is a 4-camera security system using DVR for recording. With this system, you will get clear vision, whether it’s day or nighttime. 

Motion detection is one important aspect, but we all know that certain areas need more attention than others. This device allows you to select these zones to ensure you are only alerted when movement is detected around them. The last thing that you would want is your 4k security camera system alerting you as your neighbor’s car passes through. 

Apart from adjusting sensitivity, you also have the option of turning off motion detection. These cameras are specifically designed to survive extreme weather conditions (IP66 weatherproofing). No need to worry about rain, wind, or snow as your security camera systems got you covered. 

Another important benefit of going with this product is the in-built 1 TB hard drive covering every little detail. It records and stores everything, including motion detection, video, and manual recording. This ensures you can always go back to these recordings when you want to.

Next, you get remote access from any device that you prefer. By connecting the system to a monitor, you can have a good view from all different devices on one screen. Monitoring the areas becomes much easier through that. Lastly, if you have any issues or doubts regarding setup or working, you can contact the customer support service and get an instant reply. 

  • 5MP Super High-Resolution Cameras: Offers clarity even at night
  • Built-in Hard Drive: No need to worry about storage as the camera is equipped with a 1 TB built-in hard drive
  • User-friendly App: The app provides remote access to users at all times, wherever they are
  • Adjustable Motion Detectors: Easily adjust sensitivity to ensure you are not disturbed
  • Excellent Customer Support Service: Always there to clear all queries to provide the best possible experience
  • Fully weatherproofed
  • Easy installation
  • Excellent storage
  • Adjustable motion detection
  • Friendly-service
  • Setting up the app was time-consuming and confusing

Provides excellent features and the most suitable option for people with a low budget. 

The Most Popular

ZOSI 4K Ultra HD Security Cameras System, 4 Channel H.265+ 4K (3840x2160)...

Last update on 2021-12-02 / Affiliate links / Ratings / Images from Amazon Product Advertising API

3. ZOSI 4K Ultra HD Security Cameras System

ZOSI 4K Ultra HD Security Cameras System is an 8-channel DVR system that ensures you get a crisp, clear vision of reality. The one feature that makes this product stand out amongst the competition is H.265+ Secure Recording Tech. This compression technology reduces the video file size with no compromise to the video quality. It ensures you store more without worrying about the storage capacity. Next comes the flexibility of local and remote viewing.  It requires no network and can easily help you get access to all cameras at once after you connect them to a monitor. The app lets you have comfortable remote viewing and instant alert on motion detection in the selected areas.  You can get access to the current scenario of your house and even get access to the recorded videos.  Apart from that, the different types of recording modes add to ease of use.  There are four different modes to choose from according to your needs and requirements:
  • Continuous record mode ensures your DVR will continuously record everything throughout the day and night.
  • Schedule record allows you to schedule the dates or events wherein you’d like to record.
  • Motion detection record allows recording only when there is movement or motion detection. This saves space, and your system will be able to record more. 
  • Recycle record allows your DVR to get rid of the oldest files on the system in order to make room for new ones. 
  • Advance H. 265+ video Compression DVR: The highest compression technology
  • 4K Ultra HD: Enjoy 4 times resolution of 1080p, thereby getting clarity at its best
  • 24/7 Access: Keep an eye on the house at all times from your work, cafe, or on a visit to a friend or relative’s house
  • Adjustable Motion Detection: Decide the areas that need top-notch security and make adjustments accordingly.
  • The compression technology
  • Different modes of recording according to requirements
  • Adjustable motion detection
  • Works well in any environment
  • No POE Connection makes the installation a little difficult

 Though the most popular system is not always the best we all still want to know why this particular system is so popular. Let’s see why this camera is a hot topic of discussion.

Best Video Resolution

Amcrest 4K Security Camera System w/ 4K (8MP) 8CH PoE NVR, (4) x 4K...

Last update on 2021-12-02 / Affiliate links / Ratings / Images from Amazon Product Advertising API

4. Amcrest 4K Security Camera System

This security camera records videos at 4K ultra-high resolution. With 105 degrees field of view, it captures the view of a wide area. It comes with a pre-installed 2TB Hard Drive and is compatible with up to 6TB Hard Drives. This camera features IP67 weatherproof rating, and you can use it for both indoor and outdoor purposes.

The camera can record the view of up to 98.4 feet during the night, and it has an incredible night vision function. Besides that, it has one IR LED light. The 4 x 8MP PoE bullet cameras record at a frame rate of 15fps. You can monitor the high-quality recording, and it includes progressive scanning CMOS image sensor. In the package, you will get 4 x 60 feet Ethernet cables.

It includes built-in IVS features, for example, intrusion, tripwire, and more. It is easy to set up, configure, and monitor these cameras. You can get instant access to live view and playback after scanning the QR Code on NVR using the Amcrest View app. You will get extra add-ons in the package, such as a USB mouse, a user guide, and more.

  • 4K Ultra HD: Highest quality recording, which is four times better resolution than 1080p.
  • IP67 Rating: Weatherproof construction with metal housing for indoors and outdoors
  • Night Vision: Records crystal-clear view even during night or at dark places
  • Built-in Hard Drive: Includes 2TB Hard Drive and supports up to 6TB Hard Drives
  • Advanced H.265 Compression Technology: This allows you to save storage space and store longer recordings
  • Easy to install and use
  • Uses advanced H.265 compression technology
  • Perfect video resolution and image quality
  • Great field of view and night vision function
  • Excellent for outdoor and indoor use
  • Some users complain that the playback and software features are outdated

These durable POE IP cameras offer high-quality footage of a wide area and come with a great mobile app. 

Trending Now

Arlo VMS5240-100NAS Ultra - 4K UHD Wire-Free Security 2 Camera System

Last update on 2021-12-02 / Affiliate links / Ratings / Images from Amazon Product Advertising API

5. Arlo Technologies Ultra – 4K UHD Wire-Free

This 2-camera security system Arlo VMS5240-100NAS Ultra comes with the easiest installation as it’s wireless and works through the smart hub. 

Arlo Ultra’s 4K & HDR advanced image quality technology allows you to take a closer look at images without affecting the image quality at all. The integrated spotlight is another great feature that makes this 4k security system trend. Scare away the intruders targeting your house through this spotlight. 

The 180-degree diagonal field of view makes it suitable for people who want to cover a wide area. Apart from that, the color night vision works great for people who wish to undertake proper overnight monitoring. 

Advanced object detection can easily detect people, packages, vehicles, and animals. This helps you in being aware of the issues at your place when you are out. You can easily have a two-way conversation with minimum hindrance as this best 4k security camera system is equipped with noise cancellation technology. 

Once you purchase this 4k security camera system, you get access to Arlo Smart Premier Service that lets you personalize it according to your requirement. After one year, you are required to go for paid subscription. 

  • UHD Video Quality: Get your hands on every sharp detail of the image with Arlo Ultra’s 4K & HDR advanced image quality technology
  • Clear Night Vision: Get a proper view of the happenings in the night through advanced night vision
  • The 180-degree Diagonal Field of View: Cover wider angles
  • Integrated Spotlight: Adds to proper vision or image of the area
  • Noise-canceling Technology: Have a 2way conversation with the least disturbances
  • A wire-free system makes installation super easy
  • Noise cancellation technology for better conversation
  • Spotlight to prevent intruders
  • Advanced object detection for proper alerts
  • Up to the mark audio and video quality
  • Need to incur extra cost for ultra HD recordings
  • Cameras need to stay closer to smart hub for proper function

Let’s see what’s currently one of the hottest items available in the 4K market. 

Factors To Consider Before Buying A 4k Security Camera System

Here are some major factors you need to consider before making your final purchase. Do not rush it and go through your requirements properly before investing money. Also, make sure that you do not miss out on essential features as these are long-term investments and a clever choice is a must. 

Number Of Cameras (On The Basis Of Area To Be Covered)

The first thing to consider is the number of cameras you require for proper coverage of your house. According to the area of your home, you can make this decision. You don’t have to go for the 4-camera system if you think it can easily be done through 2. Give it your complete attention and see the maximum number of cameras you need for prepper protection.

Focus On The Resolution For Clear-Crisp Images

The last thing that you would want your security camera system to do is to provide blurry images or recordings. In order to recognize faces, clarity is of utmost importance even with the most basic security system. What’s the point of spending a lot of money on a security system if it does not provide a clear vision? All the above-mentioned systems were firstly checked for clarity before being added to the list. 

Night Vision Is Of Utmost Importance

Never make the mistake of selecting a home security camera system with poor night vision. Your home is at a bigger risk of intruders during the nighttime. In such a scenario, if you frequently leave your house unattended, it’s important to install a camera with proper night vision. All the above-mentioned cameras carry the perfect night vision to ensure you see clearly during the night time. Make sure you do not miss this point if you live in an area where frequent burglaries happen. 

Suitable For Every Environment

Most people prefer installing security cameras outside of their houses. In such a scenario, choosing the one that can easily deal with extreme situations is important. You don’t want to come out and find your cameras not working during the rainy season, right? Most security camera systems are waterproof and weather-resistant, so make sure you make the right choice. 

Go For The Ones With An Audio Feature

When viewed for security purposes, it is of utmost importance to have a security camera with an audio feature. This ensures you get all the details regarding a conversation taking place on your property. Furthermore, this might be an intrusion of privacy but much needed from the security point of view. 

The Place To View And Record Videos

Most home security camera systems come with a DVR or NVR model. This ensures the entire monitoring of the property through these models. These are generally preferred as they take care of the whole video storage. You also get access to free or subscription-based apps. 

Installation Process

Before selecting a 4k security camera system, ensure that you are aware of how easy or complicated the installation or setup process is. Most wired options are hard to set up, and you might need to make a number of calls to customer service in the case of confusion. 

Frequently Asked Questions (FAQs)

How does motion detection work and alert the user regarding the movement in the area?

This software-based feature works on the basis of the pixels of an image. When they begin to change, it instantly alerts the system, and the recording starts. People always adjust sensitivity to ensure the system does not record irrelevant movements, thus saving space. 

How many megapixels consist of a 4k security system, and does it guarantee clarity?

At least 8 megapixel consists of a 4k ultra HD home security system, and yes, it guarantees clarity to ensure you get your hands on every important detail. 

What’s the major difference between wired and wire-free home security camera systems?

The wired system needs to be connected to a DVR or NVR. On the other hand, wireless systems are free from cables as the storage occurs in the cloud. This makes the installation of wireless systems much easier. 

Do all 4k security camera systems come with an audio feature?

No, if you require an audio feature, then you must check whether or not the selected option has it. 

How many hours of video can the DVR/NVR store?

The answer to this question is that it differs from system to system as a large number of factors affect this. This includes the number of cameras, storage space, etc. 


In the above discussion, we provided the 5 best 4k security camera systems of 2021 according to varied requirements. To come up with the top two winners among the 5, we personally prefer the Reolink 4K PoE Security Camera System (the best choice) and the  ZOSI 4K Ultra HD Security Cameras System (the most-talked-about). Go thoroughly through each product review and analyze it properly. Compare them with your needs and requirements to make your investment in the best option. 

FAQs for HD Security Cameras

a man standing with a question mark board that ask if he should get a 4k CCTV

For an image to be classified as 4K Ultra HD, it must be at least 8 megapixels.

IP stands for internet protocol, and means that image data via the internet, rather than the local recording devices that CCTV cameras depend on. They record in higher resolution and are widely used for security cameras.

Wired systems need connecting to a DVR or NVR recorder, while wire-free systems don’t have any cables at all. Instead, they transmit and store the security footage on the cloud.

4K offers the highest resolution for home security cameras, and this is particularly evident in night mode settings. 4K also provides the best option for zooming in.

A frame rate of over 24 FPS will be a smooth recording to the naked eye. Security cameras go all the way up to 60 FPS, but it’s not a necessity unless you’re going to regularly need to slow down and playback footage.

Like what you've read?
Share it with your friends

Share on facebook
Share on twitter