Motherboards under $400

2 motherboards under $400 from ASUS, Supermicro, GIGABYTE and more. Prices run $300 to $317.

ASUSSpec score 8.2

AM5, ITX, DDR5, 2 M.2 slots

+Mini-ITX form factor fits compact builds

+Built-in Wi-Fi 6E for faster wireless

+2.5G LAN for faster wired networking

−Only two M.2 slots for storage expansion

−Limited to the AM5 socket

$317.12

as of 11/03/2026 21:57 PST - Details

OaknodeSpec score 7.9

LGA1700, mATX, DDR5, 4 Memory slots

+12 SATA ports for building a large storage array

+Two M.2 NVMe slots for fast cache or boot drives

+Supports up to 128GB of DDR5 memory across four slots

−Micro-ATX form factor limits expansion slot count

$300.00

as of 11/04/2026 00:47 PST - Details

Compare specs

motherboard	Socket	Form factor	Memory type	Chipset	Spec score	Price
	AM5	ITX	DDR5		8.2	$317.12 as of 11/03/2026 21:57 PST - Details
	LGA1700	mATX	DDR5	Intel Q670	7.9	$300.00 as of 11/04/2026 00:47 PST - Details

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