When you buy through our links, we may earn a commission. Learn more ›
Wiki Shopping

Monitors under $400

All monitors

14 monitors under $400 from LG, ASUS, Dell and more. Most cost $323 to $399, and half cost less than $355.

Top brands: LG (7)

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
AcerSpec score 7.7

34-inch, QHD 1440p, 200Hz, 1 ms or less

+34 inch ultrawide curved screen with 3440x1440 resolution
+200Hz refresh rate for fast-moving scenes
+Response time of 1 ms or less
$319.00-9%List: $349.99
as of 11/04/2026 12:05 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
ASUSSpec score 8.7

34-inch, QHD 1440p, 100Hz

+Curved screen for an immersive viewing angle
+Ultrawide 34 inch screen for wide workspace
+USB-C input with 96W power delivery
−100Hz refresh rate is low for fast gaming
$359.99-10%List: $399.00
as of 11/04/2026 12:10 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
AlienwareSpec score 7.9

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

+Curved 1500R screen for an immersive view
+180Hz refresh rate for smooth gaming motion
+1ms response time for reduced motion blur
−Curved screen may not suit users who prefer flat displays
−34-inch size is large for small desks
$349.99
as of 11/04/2026 12:07 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
KadoSpec score 7.6

34-inch, 3440x1440, 165Hz, 1 ms or less

+Curved 1500R panel for immersive viewing
+Ultrawide 3440x1440 resolution for extra workspace
+165Hz refresh rate for smooth motion
−Large 34-inch footprint for smaller desks
$379.89
as of 11/03/2026 23:42 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 8.0

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

Compare specs

monitorSizeResolutionRefreshPanelSpec scorePrice
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
34-inchQHD 1440p200Hz7.7$319.00
as of 11/04/2026 12:05 PST - Details
34-inchQHD 1440p144Hz8.6$349.99
as of 11/03/2026 23:57 PST - Details
34-inchQHD 1440p100Hz8.7$359.99
as of 11/04/2026 12:10 PST - Details
34-inchQHD 1440p160Hz8.1$368.99
as of 11/03/2026 23:57 PST - Details
34-inchQHD 1440p180Hz7.9$349.99
as of 11/04/2026 12:07 PST - Details
34-inchQHD 1440p100HzIPS8.7$398.41
as of 11/03/2026 23:57 PST - Details
34-inch3440x1440165Hz7.6$379.89
as of 11/03/2026 23:42 PST - Details
34-inchQHD 1440p100Hz7.5$349.31
as of 11/03/2026 23:57 PST - Details

Before you buy

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