Motherboards under $800

2 motherboards under $800 from Supermicro and ASRock Rack. Prices run $745 to $791.

ASRock RackSpec score 9.1

LGA4189, mATX, DDR4, 8 Memory slots

+Eight DDR4 memory slots for large capacity

+Four PCIe x16 slots for expansion cards

+10G LAN for high-speed networking

$791.21

as of 11/04/2026 12:09 PST - Details

Generic

AM5, mATX, DDR5, AMD B650

+AMD B650 chipset for AM5 processors

+DDR5 memory support for higher bandwidth

+Micro ATX form factor fits compact builds

$745.38

as of 11/04/2026 00:16 PST - Details

Compare specs

motherboard	Socket	Form factor	Memory type	Memory slots	Wired LAN	Spec score	Price
	LGA4189	mATX	DDR4	8	10G	9.1	$791.21 as of 11/04/2026 12:09 PST - Details
	AM5	mATX	DDR5			n/a	$745.38 as of 11/04/2026 00:16 PST - Details

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