Motherboards under $500

4 motherboards under $500 from ASUS, Supermicro and GIGABYTE. Prices run $414 to $499.

GIGABYTESpec score 9.2

AM5, ATX, DDR5, 4 Memory slots

+Four M.2 slots for multiple storage drives

+Four DDR5 RAM slots for memory expansion

+Built-in Wi-Fi 7 for wireless connectivity

−Only one PCIe x16 slot limits multi-card setups

$499.99

as of 11/03/2026 23:11 PST - Details

Generic

AM4, mATX, 4 Memory slots, AMD B550

+Micro-ATX form factor fits smaller cases

+AMD B550 chipset with AM4 socket for Ryzen processors

+Four DDR4 memory slots for larger memory configurations

−Micro-ATX layout offers fewer expansion slots than ATX

$446.16

as of 11/03/2026 23:07 PST - Details

GIGABYTESpec score 9.0

AM5, DDR5, 4 Memory slots, 3 M.2 slots

+Three M.2 sockets for storage expansion

+5G LAN for fast wired networking

+Built-in Wi-Fi 7 connectivity

$415.73

as of 11/03/2026 23:11 PST - Details

Generic

LGA1200, ATX, 4 Memory slots, Intel Z590

+Z590 chipset supports LGA1200 Intel processors

+ATX form factor offers room for expansion cards

+Four RAM slots for a larger memory configuration

$413.94

as of 11/03/2026 23:07 PST - Details

Compare specs

Socket	Form factor	Memory type	Chipset	Spec score	Price
AM5	ATX	DDR5	AMD X870E	9.2	$499.99 as of 11/03/2026 23:11 PST - Details
AM4	mATX		AMD B550	n/a	$446.16 as of 11/03/2026 23:07 PST - Details
AM5		DDR5	AMD B850	9.0	$415.73 as of 11/03/2026 23:11 PST - Details
LGA1200	ATX		Intel Z590	n/a	$413.94 as of 11/03/2026 23:07 PST - Details

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