Monitors under $400

4 monitors under $400 from LG, ASUS, Dell and more. Prices run $323 to $369.

Samsung

32-inch, 4K UHD, VA

+32-inch 4K UHD resolution for sharp detail

+VA panel for deeper blacks than typical IPS panels

+Adaptive sync support for smoother motion

$332.48

as of 11/04/2026 07:06 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

Philips Computer MonitorsSpec score 8.1

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

+USB-C input: only 17 of 44 here have one

−100Hz refresh: 24 of the 36 here have a higher refresh

$369.99

as of 11/04/2026 00:38 PST - Details

Compare specs

Size	Resolution	Refresh	Panel	Spec score	Price
32-inch	4K UHD		VA	n/a	$332.48 as of 11/04/2026 07:06 PST - Details
34-inch	3440x1440	240Hz	VA	8.2	$322.96 as of 11/04/2026 12:08 PST - Details
34-inch	QHD 1440p	200Hz	VA	8.0	$359.00 as of 11/04/2026 12:10 PST - Details
34-inch	QHD 1440p	100Hz	VA	8.1	$369.99 as of 11/04/2026 00:38 PST - Details

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