LG Monitors under $400

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

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LG 34WR55QK-B 34-inch UltraWide WQHD (3440 x 1440) Curved Computer Monitor, 100Hz, 5ms, HDR10, Reader Mode, HDMI,

$314.99as of 11/04/2026 17:07 PST - Details

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Spec score8.6

Pros

+Curved 34-inch ultrawide screen for wide multitasking

+Native 1440p resolution with 3440 x 1440 pixels

+100Hz refresh rate for smoother motion

+4 to 5 ms response time for fast-moving content

+HDR10 support for higher contrast content

Cons

−Curved panel may not suit users who prefer flat screens

Compared with the 4 monitors on this page

+USB-C input: only 5 of 12 here have one

How pros and cons are picked (About: Disclaimer)

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About this product

34-inch, QHD 1440p, 100Hz

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LG 34WR55QC-B 34" Curved UltraWide WQHD HDR 10 100Hz Monitor with USB Type-C, 3440x1440 Curved Display, 100Hz Refresh

$329.99as of 11/04/2026 17:07 PST - Details

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Spec score8.1

Pros

+USB-C input for single-cable connection

+HDR support for richer highlights

+FreeSync adaptive sync support

+100Hz refresh rate for smooth motion

+1440p resolution on a 34-inch ultrawide screen

Cons

−Curved screen may not suit every desk setup

Compared with the 4 monitors on this page

+USB-C input: only 5 of 12 here have one

−Height-adjustable stand not listed: 7 of the 12 here list one

How pros and cons are picked (About: Disclaimer)

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

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LG 34U650A-B 34-inch UltraWide IPS WQHD 100Hz HDR10 Curved Monitor, Black | (3440 x 1440), 21:9, Built-in Speaker, sRGB

$398.41as of 11/04/2026 17:07 PST - Details

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Spec score8.6

Pros

+IPS panel for wide viewing angles

+USB-C input with 96W power delivery

+HDR support for richer highlights

+1440p resolution on a 34-inch ultrawide screen

Cons

−Curved screen may not suit every desk setup

−100Hz refresh rate, below higher-refresh gaming models

Compared with the 4 monitors on this page

+USB-C input: only 5 of 12 here have one

How pros and cons are picked (About: Disclaimer)

About this product

34-inch, QHD 1440p, 100Hz

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LG 34SR60QC-W 34-inch QHD (3440x1440) Curved Smart Monitor with Streaming, UltraWide Screen, webOS, HDR10, 100Hz,

$349.31as of 11/04/2026 17:07 PST - Details

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Spec score7.6

Pros

+Built-in streaming and smart features

+HDR support for richer highlights

+1440p resolution on a 34-inch ultrawide screen

+100Hz refresh rate for smooth motion

Cons

−Curved screen may not suit every desk setup

Compared with the 4 monitors on this page

−Height-adjustable stand not listed: 7 of the 12 here list one

How pros and cons are picked (About: Disclaimer)

About this product