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Monitors under $400

All monitors

2 monitors under $400 from LG, ASUS, Dell and more. Prices run $350 to $399.

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BrandLG1VisionOwl1
Size19-inch134-inch1
Resolution4K UHD1QHD 1440p1
Refresh100Hz7120Hz660Hz5240Hz4160Hz3180Hz3144Hz2200Hz2
Show all 12165Hz1250Hz1260Hz1320Hz1
USB-C inputUSB-C input2
Height-adjustable standHeight-adjustable stand1
Adaptive sync (FreeSync or G-Sync)Adaptive sync (FreeSync or G-Sync)1
CurvedCurved1
HDRHDR2
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Refresh: 144Hz  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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
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

Compare specs

monitorSizeResolutionRefreshPanelSpec scorePrice
34-inchQHD 1440p144Hz8.6$349.99
as of 11/03/2026 23:57 PST - Details
19-inch4K UHD144Hz8.2$399.99
as of 11/04/2026 08:09 PST - Details

Before you buy

Other price ranges

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Popular filters

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