Motherboards under $400

All motherboards

16 motherboards under $400 from ASUS, Supermicro, GIGABYTE and more. Most cost $309 to $397, and half cost less than $337.

Top brands: ASUS (4)

ASUSSpec score 9.5

LGA1851, ATX, DDR5, 7 M.2 slots

+Wi-Fi 7: the highest wi-fi of the 14 here

+7 m.2 slots: the most m.2 slots of the 10 here

$328.95-18%List: ~~$399.99~~

as of 11/04/2026 12:10 PST - Details

GIGABYTESpec score 8.6

AM5, ATX, DDR5, 4 Memory slots

+Wi-Fi 7: the highest wi-fi of the 14 here

+5G: only 1 of 15 here have a higher wired lan

$329.99-13%List: ~~$379.99~~

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

ASUSSpec score 8.5

LGA1700, ATX, DDR5, 2.5G

+Z790 chipset supports Intel overclocking

+DDR5 memory support for faster system memory

+2.5Gb LAN for faster wired networking

−ATX form factor needs a larger case

$308.90-12%Was: ~~$349.99~~

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

ASUSSpec score 8.9

AM5, ATX, DDR5, 5 M.2 slots

+Wi-Fi 7: the highest wi-fi of the 14 here

+5G: only 1 of 15 here have a higher wired lan

$399.99-11%List: ~~$449.99~~

as of 11/04/2026 12:10 PST - Details

MSISpec score 8.9

AM5, ATX, DDR5, 5G

+Wi-Fi 7: the highest wi-fi of the 14 here

+5G: only 1 of 15 here have a higher wired lan

$389.99-9%List: ~~$429.99~~

as of 11/04/2026 00:18 PST - Details

ASUSSpec score 8.6

AM5, ATX, DDR5, 3 M.2 slots

+Built-in Wi-Fi 7 for current wireless standards

+5G LAN for faster wired networking

+Three M.2 slots for storage expansion

−Fewer M.2 slots than higher-tier ProArt boards

−Limited to the AM5 socket

$317.95

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

GIGABYTESpec score 8.8

AM5, ATX, DDR5, 4 Memory slots

+Three M.2 sockets for storage expansion

+10G LAN for very fast wired networking

+Built-in Wi-Fi 7 connectivity

−Larger ATX size needs a bigger case

$329.00-6%List: ~~$349.99~~

as of 11/04/2026 15:07 PST - Details

MSISpec score 8.5

AM5, ATX, DDR5, 2.5G

+AMD X670E chipset for Ryzen 7000 to 9000 processors

+AM5 socket with DDR5 memory support

+PCIe 5.0 support for fast expansion cards

$390.00

as of 11/04/2026 00:18 PST - Details

Generic

LGA1200, ATX, 4 Memory slots, Intel Z590

+Intel Z590 chipset with LGA1200 socket

+Full ATX form factor

+Four RAM slots listed

−Full ATX size needs a larger case

$393.32

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

Bjnskdgagb

LGA1200, ATX, DDR4, Intel Z590

+Intel Z590 chipset for Intel LGA1200 processors

+ATX form factor with room for full-size expansion

+DDR4 memory support

−Requires LGA1200 processors, not compatible with newer sockets

$344.86

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

MSISpec score 8.9

AM5, ATX, DDR5, 5G

+AM5 socket supports AMD Ryzen 9000, 8000 and 7000 processors

+Wi-Fi 7 wireless built in

+5G LAN for fast wired networking

−ATX form factor needs a standard full-size case

$329.99

as of 11/04/2026 00:18 PST - Details

Supermicro

LGA2011, ATX, DDR4, 1 PCIe x16 slots

+Extended ATX form factor for larger server builds

+LGA2011 socket with DDR4 memory support

+Built-in 1G LAN for network connectivity

−Only one PCIe x16 slot limits expansion options

$390.00

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

Generic

AM4, ATX, 4 Memory slots, AMD B450

+ATX form factor fits standard full-size cases

+AMD B450 chipset for AM4 processors

+AM4 socket for Ryzen processors

$352.04

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

Bjnskdgagb

AM4, ATX, DDR4, AMD X570

+AMD X570 chipset for AM4 Ryzen processors

+PCI-E 4.0 support for fast expansion cards

+DDR4 memory support

$397.02

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

Generic

LGA1200, ATX, DDR4, 4 Memory slots

+Intel Z490 chipset with LGA1200 socket

+ATX form factor for full-size cases

+Four DDR4 RAM slots for memory expansion

$300.76

as of 11/04/2026 00:40 PST - Details

Generic

LGA2011-3, ATX, DDR4, Intel X99

+ATX form factor for standard desktop cases

+Supports DDR4 memory with up to 128GB capacity

+Named compatibility with E5-4610 and E5-2697 processors

$304.99

as of 11/04/2026 00:41 PST - Details

Compare specs

Socket	Form factor	Memory type	Chipset	Spec score	Price
LGA1851	ATX	DDR5	Intel Z890	9.5	$328.95 as of 11/04/2026 12:10 PST - Details
AM5	ATX	DDR5	AMD X870E	8.6	$329.99 as of 11/04/2026 15:08 PST - Details
LGA1700	ATX	DDR5	Intel Z790	8.5	$308.90 as of 11/04/2026 12:09 PST - Details
AM5	ATX	DDR5		8.9	$399.99 as of 11/04/2026 12:10 PST - Details
AM5	ATX	DDR5	AMD X870E	8.9	$389.99 as of 11/04/2026 00:18 PST - Details
AM5	ATX	DDR5	AMD B850	8.6	$317.95 as of 11/04/2026 12:09 PST - Details
AM5	ATX	DDR5	AMD B850	8.8	$329.00 as of 11/04/2026 15:07 PST - Details
AM5	ATX	DDR5	AMD X670E	8.5	$390.00 as of 11/04/2026 00:18 PST - Details
LGA1200	ATX		Intel Z590	n/a	$393.32 as of 11/04/2026 00:16 PST - Details
LGA1200	ATX	DDR4	Intel Z590	n/a	$344.86 as of 11/04/2026 00:16 PST - Details

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