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Motherboards under $400

All motherboards

33 motherboards under $400 from ASUS, Supermicro, GIGABYTE and more. Most cost $306 to $393, and half cost less than $351.

Top brands: ASUS (6)Supermicro (5)GIGABYTE (4)MSI (4)

MSISpec score 8.9

AM5, mATX, DDR5, 5G

+Wi-Fi 7: the highest wi-fi of the 14 here
+5G: only 1 of 15 here have a higher wired lan
$361.26
as of 11/04/2026 00:18 PST - Details

Compare specs

motherboardSocketForm factorMemory typeChipsetSpec scorePrice
LGA2011n/a$390.00
as of 11/04/2026 07:10 PST - Details
AM5mATXDDR5AMD B8508.9$361.26
as of 11/04/2026 00:18 PST - Details
n/a$351.57
as of 11/04/2026 07:07 PST - Details
n/a$363.73
as of 11/04/2026 07:07 PST - Details
n/a$322.28
as of 11/04/2026 07:07 PST - Details

Before you buy

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