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Motherboards under $300

All motherboards

2 motherboards under $300 from ASUS, GIGABYTE, MSI and more. Prices run $260 to $259.

Top brands: ASUSSupermicroGIGABYTEMSIASRockTytmsca

GenericSpec score 8.3

LGA2011-3, E-ATX, DDR4, 8 Memory slots

+Dual CPU socket design for high processing capacity
+Eight DDR4 slots supporting up to 512GB
+Three PCIe x16 slots for expansion cards
−Large E-ATX form factor needs a spacious case
−1G network speed is slower than newer boards
$259.90
as of 11/04/2026 16:07 PST - Details
Rxjpasd

LGA3647, DDR4, 512GB

+Dual LGA3647 sockets for two processors
+Supports up to 512GB of DDR4 memory
+Rack-optimized server board design
$259.99
as of 11/04/2026 13:09 PST - Details

Compare specs

motherboardSocketForm factorMemory typeChipsetSpec scorePrice
LGA2011-3E-ATXDDR48.3$259.90
as of 11/04/2026 16:07 PST - Details
LGA3647DDR4n/a$259.99
as of 11/04/2026 13:09 PST - Details

Before you buy

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