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Monitors under $400

All monitors

1 monitors under $400 from LG, ASUS, Dell and more. Price: $329.99.

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BrandASUS1
Size34-inch1
ResolutionQHD 1440p1
Refresh100Hz7120Hz660Hz5240Hz4160Hz3180Hz3144Hz2200Hz2250Hz1
Show all 12165Hz1260Hz1320Hz1
DCI-P3 coverage951
Adaptive sync (FreeSync or G-Sync)Adaptive sync (FreeSync or G-Sync)1
Response time1 ms or less1
HDRHDR1
Clear allShow 1 monitor
Refresh: 250Hz  ×1 resultSort byRecommendedSpec scorePrice: low to highPrice: high to low
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

Compare specs

monitorSizeResolutionRefreshPanelSpec scorePrice
34-inchQHD 1440p250Hz8.0$329.99
as of 11/04/2026 12:10 PST - Details

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