Motherboards under $600

3 motherboards under $600. Prices run $530 to $589.

GIGABYTE

sTR5, E-ATX, DDR5, 10G

+sTR5 socket supports AMD Threadripper processors

+10G LAN for high-speed wired networking

+Built-in Wi-Fi 7 for wireless connectivity

−Extended ATX size requires a large case

$589.95

as of 11/04/2026 15:08 PST - Details

Supermicro

LGA1366, E-ATX, 288GB

+Intel 5520 dual processor platform

+E-ATX form factor with room for expansion

+Supports up to 288GB of DDR3 memory

$580.00

as of 11/04/2026 07:10 PST - Details

Supermicro

LGA1366, E-ATX

+Dual LGA 1366 sockets for two Xeon processors

+E-ATX form factor for large server cases

−Older LGA 1366 platform limits processor options

$529.95

as of 11/04/2026 07:10 PST - Details

Compare specs

Socket	Form factor	Memory type	Chipset	Spec score	Price
sTR5	E-ATX	DDR5	AMD TRX50	n/a	$589.95 as of 11/04/2026 15:08 PST - Details
LGA1366	E-ATX			n/a	$580.00 as of 11/04/2026 07:10 PST - Details
LGA1366	E-ATX			n/a	$529.95 as of 11/04/2026 07:10 PST - Details

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