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Monitors under $400

All monitors

24 monitors under $400 from LG, ASUS, Dell and more. Most cost $324 to $399, and half cost less than $360.

Top brands: LG (11)ASUS (4)

LGSpec score 8.9

27-inch, 4K UHD, 180Hz, IPS

+4K UHD resolution for very sharp detail at 27 inches
+Dual mode offers 180Hz at 4K or 360Hz at Full HD
+IPS panel for wide viewing angles
−4K gaming needs a powerful graphics card to reach high frame rates
$399.99-33%List: $599.99
as of 11/03/2026 23:57 PST - Details
SamsungSpec score 8.7

27-inch, QHD 1440p, 240Hz, OLED

+OLED panel for deep blacks and high contrast
+240Hz refresh rate for very smooth motion
+1 ms response time for quick pixel transitions
$399.99-33%List: $599.99
as of 11/04/2026 07:06 PST - Details
SamsungSpec score 8.0

34-inch, QHD 1440p, 100Hz

+34-inch curved ultrawide screen with QHD resolution
+100Hz refresh rate with HDR10 and AMD FreeSync
+Built-in KVM switch and USB-C input
$399.99-32%List: $589.99
as of 11/04/2026 07:06 PST - Details
LGSpec score 8.5

34-inch, QHD 1440p, 100Hz, 4 to 5 ms

+Curved 34-inch ultrawide screen for wide multitasking
+Native 1440p resolution with 3440 x 1440 pixels
+100Hz refresh rate for smoother motion
−Curved panel may not suit users who prefer flat screens
$329.99-18%List: $399.99
as of 11/03/2026 23:57 PST - Details
SamsungSpec score 8.5

27-inch, 4K UHD

+4K UHD resolution at 27 inches
+USB-C input with 90W power delivery
+HDR10+ support for expanded highlight range
$339.99-15%List: $399.99
as of 11/04/2026 07:06 PST - Details
LGSpec score 9.2

27-inch, 4K UHD, 60Hz, IPS

+27-inch 4K UHD resolution for sharp detail
+USB-C input with 90W power delivery
+Height adjustable stand
−60Hz refresh rate is limited for fast gaming
$349.99
as of 11/03/2026 23:57 PST - Details
ASUSSpec score 7.9

34-inch, QHD 1440p, 180Hz, 1 ms or less

+Fast 180Hz refresh rate for smooth motion
+Ultrawide 34 inch screen for wide gaming views
+1500R curve for an immersive viewing angle
−Not an IPS panel listed in the specifications
$323.99
as of 11/04/2026 12:10 PST - Details
LGSpec score 8.6

34-inch, QHD 1440p, 144Hz

+144Hz refresh rate for smooth motion
+FreeSync Premium adaptive sync support
+USB-C input with 65W power delivery
−Curved screen may not suit every desk setup
$349.99
as of 11/03/2026 23:57 PST - Details
LGSpec score 8.9

27-inch, QHD 1440p, 240Hz, OLED

+OLED panel for deep contrast and black levels
+0.03 ms response time for very fast motion
+240Hz refresh rate for smooth high frame rate play
$379.99
as of 11/03/2026 23:57 PST - Details
ASUSSpec score 7.8

27-inch, QHD 1440p, 260Hz, IPS

+260Hz refresh rate for very smooth motion
+1440p resolution on a 27-inch IPS panel
+HDR support for extended brightness range
$369.99
as of 11/04/2026 12:10 PST - Details
ASUSSpec score 8.0

34-inch, QHD 1440p, 250Hz, 1 ms or less

+Very fast 250Hz refresh rate for smooth motion
+Ultrawide 34 inch screen for wide gaming views
+1500R curve for an immersive viewing angle
$329.99
as of 11/04/2026 12:10 PST - Details
VisionOwlSpec score 8.2

19-inch, 4K UHD, 144Hz

+4K UHD: the highest resolution of the 41 here
+USB-C input: only 17 of 44 here have one
$399.99-18%List: $489.99
as of 11/04/2026 08:09 PST - Details
InnoViewSpec score 8.2

27-inch, 4K UHD, 120Hz, IPS

+4K UHD: the highest resolution of the 41 here
+USB-C input: only 17 of 44 here have one
−120Hz refresh: 18 of the 36 here have a higher refresh
$399.99-9%List: $439.99
as of 11/03/2026 23:35 PST - Details
LGSpec score 8.1

34-inch, QHD 1440p, 160Hz

+160Hz refresh rate for smooth gaming motion
+34-inch ultrawide curved screen
+Adaptive sync support for tear-free play
$368.99-8%List: $399.99
as of 11/03/2026 23:57 PST - Details
LGSpec score 7.5

34-inch, QHD 1440p, 100Hz

+Built-in streaming and smart features
+HDR support for richer highlights
+1440p resolution on a 34-inch ultrawide screen
−Curved screen may not suit every desk setup
$349.31
as of 11/03/2026 23:57 PST - Details
LGSpec score 8.7

34-inch, QHD 1440p, 100Hz, IPS

+IPS panel for wide viewing angles
+USB-C input with 96W power delivery
+HDR support for richer highlights
−Curved screen may not suit every desk setup
−100Hz refresh rate, below higher-refresh gaming models
$398.41
as of 11/03/2026 23:57 PST - Details
AOCSpec score 9.0

27-inch, 4K UHD, 320Hz, 1 ms or less

+4K resolution on a 27-inch screen
+320Hz refresh rate for fast-moving games
+Adaptive sync for smoother gaming
−Mini-LED dual mode trades resolution for refresh rate
$349.99
as of 11/04/2026 12:08 PST - Details
G-StorySpec score 7.7

14-inch, 4K UHD, 120Hz, IPS

+Portable design for use with a console
+14 inch IPS panel for wide viewing angles
+4K UHD resolution for sharp detail
−Console not included with the monitor
$369.99
as of 11/04/2026 15:06 PST - Details
G-StorySpec score 7.6

15.6-inch, 4K UHD, 60Hz, IPS

+Portable design for use with a console
+15.6 inch IPS panel for wide viewing angles
+4K UHD resolution for sharp detail
−Console not included with the monitor
−Only 60Hz refresh rate, below gaming monitor speeds
$359.99
as of 11/04/2026 15:06 PST - Details
LGSpec score 8.0

34-inch, QHD 1440p, 100Hz

+USB-C input for single-cable connection
+HDR support for richer highlights
+FreeSync adaptive sync support
−Curved screen may not suit every desk setup
$349.99
as of 11/03/2026 23:57 PST - Details
AOCSpec score 8.2

34-inch, 3440x1440, 240Hz, VA

+Ultrawide 34-inch screen with 3440x1440 resolution
+240Hz refresh rate for fast-moving games
+VA panel for higher contrast
$322.96
as of 11/04/2026 12:08 PST - Details
ASUSSpec score 8.0

34-inch, QHD 1440p, 200Hz, VA

+34-inch ultrawide curved screen for immersive viewing
+3440x1440 resolution for wide desktop space
+200Hz refresh rate in WQHD mode
$359.00
as of 11/04/2026 12:10 PST - Details
LG

34-inch, QHD 1440p, IPS

+Curved ultrawide screen for immersive viewing
+IPS panel for wide viewing angles
+HDR10 support for enhanced contrast
$399.99
as of 11/03/2026 23:57 PST - Details
LGSpec score 7.9

27-inch, 4K UHD, 60Hz, IPS

+4K UHD resolution on a 27-inch IPS panel
+Three-side virtually borderless design
−60Hz refresh rate is lower than gaming monitors
$319.00
as of 11/03/2026 23:57 PST - Details

Compare specs

monitorSizeResolutionRefreshPanelSpec scorePrice
27-inch4K UHD180HzIPS8.9$399.99
as of 11/03/2026 23:57 PST - Details
27-inchQHD 1440p240HzOLED8.7$399.99
as of 11/04/2026 07:06 PST - Details
34-inchQHD 1440p100Hz8.0$399.99
as of 11/04/2026 07:06 PST - Details
34-inchQHD 1440p100Hz8.5$329.99
as of 11/03/2026 23:57 PST - Details
27-inch4K UHD8.5$339.99
as of 11/04/2026 07:06 PST - Details
27-inch4K UHD60HzIPS9.2$349.99
as of 11/03/2026 23:57 PST - Details
34-inchQHD 1440p180Hz7.9$323.99
as of 11/04/2026 12:10 PST - Details
34-inchQHD 1440p144Hz8.6$349.99
as of 11/03/2026 23:57 PST - Details
27-inchQHD 1440p240HzOLED8.9$379.99
as of 11/03/2026 23:57 PST - Details
27-inchQHD 1440p260HzIPS7.8$369.99
as of 11/04/2026 12:10 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.