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Motherboards under $400

All motherboards

2 motherboards under $400 from ASUS, Supermicro, GIGABYTE and more. Prices run $346 to $352.

Top brands: ASUSSupermicroGIGABYTEMSIASRockTytmsca

All filtersFilters (1)×
Chipset: AMD B450  ×Clear all
SocketAM42
Form factorATX1
Memory slots42
ChipsetAMD B8505AMD X870E3AMD B4502Intel X992Intel Z5902AMD A5201AMD X5701AMD X670E1
Show all 13Intel B7601Intel Q6701Intel Z4901Intel Z7901Intel Z8901
Clear allShow 2 motherboards
Chipset: AMD B450  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Generic

AM4, 4 Memory slots, AMD B450

+Four DDR4 memory slots for expansion
+NVMe M.2 slot with PCIe 3.0 support
+AM4 socket supports Ryzen processors
−Specifications do not list the form factor
$346.36
as of 11/04/2026 15:07 PST - Details
Generic

AM4, ATX, 4 Memory slots, AMD B450

+ATX form factor fits standard full-size cases
+AMD B450 chipset for AM4 processors
+AM4 socket for Ryzen processors
$352.04
as of 11/04/2026 18:05 PST - Details

Compare specs

motherboardSocketForm factorMemory typeChipsetSpec scorePrice
AM4AMD B450n/a$346.36
as of 11/04/2026 15:07 PST - Details
AM4ATXAMD B450n/a$352.04
as of 11/04/2026 18:05 PST - Details

Before you buy

Other price ranges

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Popular filters

DDR4 Motherboards199DDR5 Motherboards190ATX Motherboards165mATX Motherboards152Motherboards under $200111Motherboards under $150108AM5 Motherboards99Motherboards with 4 Memory Slots96

Motherboards by use

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