Best 4K Monitors under $400 for 2021 Reviews

Best 4K Monitors under $400

Are you looking for an affordable 4K monitor during these tough times of the global pandemic? Then look no further than the best 4K monitors under $400 for 2021.

A good alternative to a traditional monitor that projects blurred and low-quality pictures is choosing the best 4K monitor laptops. You will enhance your productivity or gaming experience because of its high speed and larger pixels of 3840 x 2160 which is four times that of a standard laptop.

These laptops are designed with high-quality graphics which ensure that your gaming is on another level and images are smooth and clear.

You will be able to view greater and high-quality images with these monitors and with the higher refresh rate you will be able to refresh your gaming experience within seconds.

Also, they are realistic and versatile, ensuring that you complete your work on time and you enjoy your game without shuttering or tearing.

What to expect from the best 4k monitors under $400

First, you should expect the screen size to be between 27 inches top 32 inches. However, 4k monitors that cost less than $400 can come in any screen size.

Second, expect it to have features such as a refresh rate of around 30hz which means it refreshes at 30 times per second. However, if you choose a very high-end 4k monitor, you can expect it to have a refresh rate of around 144hz.

Third, look at the connectivity of the monitor. In case you are plugging in the computer, you need a DisplayPort but if you are using the monitor with a gaming console then you should choose one with HDMI 2.0.

Fourth, look at whether the G-Sync and FreeSync are gaming/ graphics technologies that are created by Nvidia and AMD.

The 5 best 4K monitors under $400 reviews for 2021.

1. AOC CQ32G1 31.5” Curved Frameless Gaming Monitor

AOC CQ32G1 31.5" Curved...
  • 32" Class, 31. 5" Viewable AOC Gaming...
  • 1800R curved monitor wrapping around you...
  • Rapid 1ms (MPRT) response and 144Hz...
  • 3-Sided frameless design with...
  • 80, 000, 000: 1 Smart contrast ratio
  • DisplayPort, 1x HDMI 2. 0, 1x HDMI 1. 4...
  • AOC low Blue mode and flickers for...
  • Wall mountable (VESA compatible)

Take your gaming experience to another level with AOC CQ32G1 Gaming Monitor.

With this monitor, you will be able to be productive and enjoy faster gaming with a response time of 4 ms and a refresh rate of 144GHz. You will therefore enjoy gaming as you remain productive.

It is frameless and allows you to remain productive and enjoy your gaming experience with this high-quality monitor. This unique feature is the selling point of this laptop.

It is a 4K and therefore images being viewed are of higher quality with the higher pixels. This ensures that you view high-quality images as your game. The pixels of this monitor is 2560 x 1440 which are ultra-high than that of a standard laptop.

With a 31.5” curved screen, you will be able to enjoy an immersive gaming experience with this monitor.

It has powerful hardware which makes this monitor faster for complex games. AOC CQ32G1 31.5” Curved Frameless Gaming Monitor can be mounted on the wall and therefore you will watch clear images.

It is black, weighs 16.05 pounds, and has a contrast ratio of 80,000,000:1, including an aspect ratio of 16:9.


  • Screen size and resolution of 31.5 inches as well as QHD 2560 x 1440 inches
  • Free sync support of AMD Free Sync technology
  • Weight of 16.05 pounds
  • Connectivity include HDMI 2.0, Audio out and DP 1.2

2. LG 3GK650F- 32’’ QHD Gaming Monitor

LG 32GK650F-B 32" QHD Gaming...
  • QHD resolution; Watch games come to life...
  • Radeon freesync technology: Reduces the...
  • 144 Hertz refresh rate: Games played on...
  • Advanced gaming Features: Dynamic action...
  • Virtually Borderless: The ultra-thin...

If you are in a gaming competition then this LG Gaming monitor will help you win with a high refresh of 144GHz.

The AMD Radeon FreeSync technology and 1 ms motion blur reducing feature allow gamers to play all through without any much interference and win. With QHD definition and 2560 x 1440 pixels, you will be able to view high-quality images as your game.

When you are gaming, images will be sharp, clear, focused, and more detailed giving a chance to maximize your game.

With the sleek, ultra-thin bezel on the three sides, you will be able to enjoy your gaming experience without any border interference. Therefore you will take your gaming experience high for complex and hard games.

You will be able to accomplish all games in different modes including those with advanced features such as FPS and RTS presets.

This monitor is 32’’ which allows you to view larger images that are colored and clear. Hence you can personalize settings in this monitor to suit any of your games.

Also, you will be able to enjoy an immersive gaming experience which makes you love gaming and engage yourself in super gaming experience.

The LG 3GK650F- 32’’ QHD Gaming Monitor is worth more than the price which means that if you buy this monitor you will get value for the money.

The VA technology enhances the grayscale performance and 1-5ms response time 350 nits of brightness.


  • Contrast ratio of 3,000:1 and AMD free Sync enabled
  • Great 31.5 inches screen with QHD resolution
  • High refresh rate of 144Hz
  • Radeon FreeSync reduces stuttering and tearing

3. LG Electronics UltraGear 27GN750-B 27 Inch Full HD Monitor

Today's Discount
LG Electronics UltraGear...
1,469 Reviews
LG Electronics UltraGear...
  • 27” full HD (1920x1080) IPS display
  • 1ms response time and 240Hz refresh rate
  • NVIDIA G-SYNC Compatible
  • HDR 10 Compatible
  • 3-Side virtually borderless design
  • Tilt / Height / Pivot adjustable stand

LG is known for making high-quality electronics and this monitor is not an exception.

You are guaranteed of continuous gaming experience with this monitor. This magnificent monitor will take your gaming experience to a higher level than you have ever dreamed of.

It is 27 inches in size and therefore you will be able to view larger, clear, and more detailed images. This will ensure that you view your enhanced images as your game. The images are of high quality and you will be able to view images at an angle which are clear and at an appropriate angle.

Also, the graphics ensure that there are no blurred images that might interfere with your gaming experience.

Another standout feature with this product is that you will be able to adjust your monitor to your preferred height. With a 1ms response time and refresh rate of 240HZ, this monitor is ultra-fast and takes seconds to reboot.

The HDR10 technology ensures that images are deep black and white as you game on your monitor. The three borders are slim, sleek, and light which ensures that images are super clear and you do away with dimming and flickering.

The LG Electronics UltraGear 27GN750-B 27 Inch Full HD Monitor is compatible with NVIDIA and it is made from the stylish and ergonomic design which makes it an attractive monitor. It is black and weighs 19.61 pounds with a dimension of 24.2 x 22.7 x 10.8 inches.


  • 27 inches full HD IPS display
  • Ultra-high refresh rate of 240 Hz
  • NVidia G-SYNC Compatible
  • Ergonomic and stylish design
  • IPS 1ms response display for accuracy and clarity viewing

4. ASUS VG278QR 27’’ Gaming Monitor

Asus VG278QR 27” Gaming...
  • 27 inch Full HD (1920x1080) display with...
  • G-SYNC compatible technology supported...
  • Extreme low motion blur (ELMB)...
  • Marathon ready with ASUS Eye Care...
  • Flexible connectivity options with...
  • Stereo 2W speakers provide for a full...

Are you looking for the best monitor that protects your eyes and has anti flickering technology? Then this is the monitor you should get.

ASUS VG278QR 27’’ Gaming Monitor is ultra-light has ultra-blue light technology that protects your eyes from extreme white light.

The VG278QR eliminates screen tearing and eliminates blurred images which protect your gaming experience. The input lag is smaller than that of a television and ensures that you respond quickly as you engage in your gaming experience.

You will be able to enhance your gaming experience with this monitor and you will have a response time of 0.5 ms and 165HZ response time which takes your gaming experience to another level.

This gaming monitor is 27 inches and therefore images will be clear and more detailed. ASUS VG278QR 27’’ Gaming Monitor is therefore the fastest and most convenient monitor which is easy to mount with extremely low blur motion technology and makes it more responsive as you game.

The dimension of this monitor is 4.37 x 14.29 x 1.96 inches and it weighs 17.31 pounds.


  • Fast refresh rate of 165 Hz
  • 27 inch full HD display
  • G-SYNC compatible technology
  • Flexible connectivity such as HDMI, 4 Dual link DVI-D, and DisplayPort

5. Samsung 27 inch CJG56 144HZ Curved Gaming Laptop

Samsung 27-Inch CJG56 144Hz...
  • 1440P WQHD RESOLUTION (2560 x 1440p)...

Take your gaming experience to another level with this Samsung GamingMonitor which is curved and thus you will immerse yourself with great gaming.

This monitor allows you to enjoy your viewing at an appropriate angle. The high definition is full of high definition with a 27-inch screen display for larger and wider images.

It creates wider images and you will be able to game all through unlike slow computers which strain your eyes. With a refresh rate of 144HZ, you will game like never before and you love every bit of gaming.

With a contrast ratio of 3000:1, you will be able to view deep black and bright white images and enjoy continuous gaming all through.

There is reduced imaged tear and shutter as you game because of the AMD free Synch and low input lag which reduces slow motion as you game.

1800R curvature ensures that you immerse yourself in the extreme or complex game during the gaming action. It provides you with multiple display modes including game style UI.


  • 27 inch curved gaming monitor
  • Very fast refresh rate of 144Hz
  • Advanced VA technology which offers 3000:1 contrast ratio
  • Connection via HDMI 2.0


The above monitors have a high-quality GPU and can be easily upgraded which gives you an easy time as you use it for gaming throughout.

With a 4k screen display, you will be able to view wider, vivid, and colored images as you game.

The high refresh rate ensures that you take your gaming to a professional speed. I hope the above list of best monitors with buyers guide will help you get the best monitor for your gaming experience.

Last update on 2021-03-02 / Affiliate links / Images from Amazon Product Advertising API