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Motherboards under $400

All motherboards

7 motherboards under $400 from ASUS, Supermicro, GIGABYTE and more. Most cost $321 to $389, and half cost less than $330.

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Wired LAN: 5G  ×Clear all
BrandGIGABYTE3MSI3ASUS2
SocketAM58
Form factorATX5mATX1
Memory typeDDR58
Memory slots43
M.2 slots324251
Wired LAN5G82.5G41G210G1
Wi-FiWi-Fi 78
ChipsetAMD B8504AMD X870E3
Clear allShow 7 motherboards
Wired LAN: 5G  ×7 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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 8.9

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 8.5

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

+AM5 socket supports AMD Ryzen 9000 Series processors
+Three M.2 slots for multiple fast storage drives
+Wi-Fi 7 built in for wireless connectivity
$321.49
as of 11/04/2026 15:08 PST - Details
MSISpec score 8.9

AM5, mATX, DDR5, 5G

+Wi-Fi 7: the highest wi-fi of the 14 here
+5G: only 1 of 15 here have a higher wired lan
$361.26
as of 11/04/2026 00:18 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

Compare specs

motherboardSocketForm factorMemory typeChipsetSpec scorePrice
AM5ATXDDR5AMD X870E8.6$329.99
as of 11/04/2026 15:08 PST - Details
AM5ATXDDR58.9$399.99
as of 11/04/2026 12:10 PST - Details
AM5ATXDDR5AMD X870E8.9$389.99
as of 11/04/2026 00:18 PST - Details
AM5ATXDDR5AMD B8508.6$317.95
as of 11/04/2026 12:09 PST - Details
AM5DDR5AMD B8508.5$321.49
as of 11/04/2026 15:08 PST - Details
AM5mATXDDR5AMD B8508.9$361.26
as of 11/04/2026 00:18 PST - Details
AM5ATXDDR5AMD X870E8.9$329.99
as of 11/04/2026 00:18 PST - Details

Before you buy

Other price ranges

PC Cases264CPU Coolers393Processors247Data Center GPUs82Graphics Cards371Power Supplies237Memory374Storage Drives577Binoculars228Network Cables1,382Cameras2,556Chromebooks196

Popular filters

DDR4 Motherboards199DDR5 Motherboards190ATX Motherboards165mATX Motherboards152Motherboards under $200112Motherboards under $150109AM5 Motherboards99Motherboards with 4 Memory Slots96

Motherboards by use

Gaming Motherboards81LGA1700 DDR5 Motherboards47Budget Motherboards58Workstation Motherboards60

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