LG Monitors under $400

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

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LG 27G810A-B 27-inch Ultragear 4K UHD (3840 x 2160) IPS Gaming Monitor, Dual Mode UHD 180Hz or FHD 360Hz, 1ms, NVIDIA

$399.99as of 11/04/2026 17:07 PST - Details

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Spec score8.9

Pros

+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

+Height adjustable stand and pivot rotation

Cons

−4K gaming needs a powerful graphics card to reach high frame rates

Compared with the 6 monitors on this page

+4K UHD: the highest resolution of the 12 here

+180Hz refresh: only 1 of 11 here have a higher refresh

+Pivots to portrait: only 3 of 12 here have one

How pros and cons are picked (About: Disclaimer)

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34-inch, QHD 1440p, 144Hz

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LG 34U640B-B 34-inch UltraWide WQHD 144Hz FreeSync Premium Curved Monitor | (3440 x 1440), 21:9 Aspect Ratio, HDR10,

$349.99as of 11/04/2026 17:07 PST - Details

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Spec score8.6

Pros

+144Hz refresh rate for smooth motion

+FreeSync Premium adaptive sync support

+USB-C input with 65W power delivery

+HDR support for richer highlights

+1440p resolution on a 34-inch ultrawide screen

Cons

−Curved screen may not suit every desk setup

Compared with the 6 monitors on this page

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

+144Hz refresh: 6 of the 11 here have a lower refresh

How pros and cons are picked (About: Disclaimer)

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About this product

27-inch, QHD 1440p, 160Hz, IPS

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LG 27GL850-B 27 Inch Ultragear QHD Nano IPS 1ms NVIDIA G-Sync Compatible Gaming Monitor, Black

$365.00as of 11/04/2026 17:06 PST - Details

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Spec score7.7

Pros

+QHD resolution gives sharper detail than Full HD at 27 inches

+160Hz refresh rate for smooth high frame rate play

+Nano IPS panel for wide viewing angles

+1 ms response time for fast motion

Cons

−Stand does not offer height adjustment or pivot rotation

Compared with the 6 monitors on this page

+160Hz refresh: only 2 of 11 here have a higher refresh

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

How pros and cons are picked (About: Disclaimer)

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About this product

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

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LG 27GX704A-B 27-inch Ultragear QHD (2650x1440) OLED Gaming Monitor 240Hz, 0.03ms, NVIDIA G-Sync Compatible, AMD

$379.99as of 11/04/2026 17:07 PST - Details

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Spec score8.8

Pros

+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

+Height adjustable stand and pivot rotation

Compared with the 6 monitors on this page

+240Hz refresh: the highest refresh of the 11 here

+Pivots to portrait: only 3 of 12 here have one

How pros and cons are picked (About: Disclaimer)

Other stores (2)

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Electronic ExpressVisit store

About this product

34-inch, QHD 1440p, 160Hz

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LG 34G600A-B 34-inch Ultragear WQHD (3440 x 1440) Curved Gaming Monitor 160Hz, AMD FreeSync Premium, HDR10, Built-in

$368.99as of 11/04/2026 17:07 PST - Details

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Spec score8.2

Pros

+160Hz refresh rate for smooth gaming motion

+34-inch ultrawide curved screen

+Adaptive sync support for tear-free play

+Height adjustable stand

Compared with the 6 monitors on this page

+160Hz refresh: only 2 of 11 here have a higher refresh

How pros and cons are picked (About: Disclaimer)

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 6 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)