Motherboards under $600

3 motherboards under $600. Prices run $530 to $580.

Supermicro

LGA1366, 12 Memory slots, 96GB, 1 PCIe x16 slots

+Twelve RAM slots for multiple memory modules

+ECC memory support for error correction

+One PCIe x16 slot for a graphics or expansion card

−Supports only up to 96GB of memory

$532.00

as of 11/04/2026 07:10 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	Spec score	Price
LGA1366		n/a	$532.00 as of 11/04/2026 07:10 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.