Motherboards under $400

LGA1851, ATX, DDR5, 7 M.2 slots

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ASUS ROG Strix Z890-E Gaming WiFi Intel® Z890 LGA 1851 ATX Motherboard, Advanced AI PC-Ready, 18+2+1+2 Stages, DDR5,

$328.95as of 11/04/2026 12:10 PST - Details

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Spec score9.5

Compared with the 10 motherboards on this pagePros

+Wi-Fi 7: the highest wi-fi of the 13 here

+7 m.2 slots: the most m.2 slots of the 9 here

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AM5, ATX, DDR5, 4 Memory slots

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GIGABYTE X870E AORUS Elite X3D AMD AM5 LGA 1718 ATX Motherboard, Ryzen 9000/8000/7000, DDR5, 16+2+2 Power Phase, 4X

$329.99as of 11/04/2026 15:08 PST - Details

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Spec score8.6

Compared with the 10 motherboards on this pagePros

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

+4 memory slots: only 1 of 11 here have more memory slots

+4 m.2 slots: 5 of the 9 here have fewer m.2 slots

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AM5, ATX, DDR5, 5 M.2 slots

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ASUS ROG Strix X870E-E Gaming WiFi AMD AM5 X870 ATX Motherboard 18+2+2 Power Stages, Dynamic OC Switcher, Core Flex,

$399.99as of 11/04/2026 12:10 PST - Details

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Spec score8.9

Compared with the 10 motherboards on this pagePros

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

+5 m.2 slots: only 1 of 9 here have more m.2 slots

How pros and cons are picked (About: Disclaimer)

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AM5, ATX, DDR5, 5G

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MSI MPG X870E Carbon WiFi Gaming Motherboard (AMD Ryzen 9000/8000/7000 Series Processors, AM5, DDR5, PCIe 5.0, M.2

$389.99as of 11/04/2026 00:18 PST - Details

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Spec score8.9

Compared with the 10 motherboards on this pagePros

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

How pros and cons are picked (About: Disclaimer)

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About this product

AM5, ATX, DDR5, 3 M.2 slots

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ASUS ProArt B850-CREATOR WiFi 7 NEO AM5 ATX Motherboard, DDR5, DIMM Fit, PCIe 5.0, 3X M.2, 5Gb LAN, DP, HDMI, USB-C,

$317.95as of 11/04/2026 12:09 PST - Details

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Spec score8.6

Pros

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

+5G LAN for faster wired networking

+Three M.2 slots for storage expansion

+Standard ATX form factor fits most cases

+Uses DDR5 memory for current systems

Cons

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

−Limited to the AM5 socket

Compared with the 10 motherboards on this page

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

How pros and cons are picked (About: Disclaimer)

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AM5, ATX, DDR5, 4 Memory slots

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GIGABYTE B850 AI TOP AMD AM5 ATX Motherboard, Support AMD Ryzen 9000/8000/7000 Series, DDR5, 16+2+2 Power Phase, 3X

$329.00as of 11/04/2026 15:07 PST - Details

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Spec score8.8

Pros

+Three M.2 sockets for storage expansion

+10G LAN for very fast wired networking

+Built-in Wi-Fi 7 connectivity

+Four DDR5 memory slots

+Full ATX form factor for more expansion room

Cons

−Larger ATX size needs a bigger case

Compared with the 10 motherboards on this page

+Wi-Fi 7: the highest wi-fi of the 13 here

+10G: the highest wired lan of the 14 here

+4 memory slots: only 1 of 11 here have more memory slots

How pros and cons are picked (About: Disclaimer)

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AM5, mATX, DDR5, 4 M.2 slots

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ASUS ROG Strix B850-G Gaming WiFi Motherboard Socket AMD AM5 | mATX, DDR5 Memory, 4X M.2, PCIe 5.0, WiFi 7, Aura Sync

$350.77as of 11/04/2026 12:10 PST - Details

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Spec score9.0

Pros

+Compact mATX form factor for smaller builds

+AMD B850 chipset for AM5 Ryzen processors

+Four M.2 slots for multiple storage drives

+Built-in Wi-Fi 7 for wireless connectivity

+DDR5 memory support for current platforms

Cons

−Fewer expansion options than full ATX boards

Compared with the 10 motherboards on this page

+Wi-Fi 7: the highest wi-fi of the 13 here

+4 m.2 slots: 5 of the 9 here have fewer m.2 slots

How pros and cons are picked (About: Disclaimer)

About this product

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

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GIGABYTE B850M AORUS Stealth Motherboard | AMD Ryzen 9000 Series CPUs, Digital 8+2+2-Phase VRM, up to 8200MHz DDR5

$321.49as of 11/04/2026 15:08 PST - Details

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Spec score8.5

Pros

+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

+5G LAN for faster wired networking

+Four DDR5 memory slots

Compared with the 10 motherboards on this page

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

+4 memory slots: only 1 of 11 here have more memory slots

How pros and cons are picked (About: Disclaimer)

About this product

AM5, mATX, DDR5, 5G

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MSI PRO B850M-A WiFi Motherboard,mATX-Supports AMD Ryzen 9000/8000/7000 Processors,AM5-DDR5 Memory Boost (8200+ MT/s

$361.26as of 11/04/2026 00:18 PST - Details

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Spec score8.9

Compared with the 10 motherboards on this pagePros

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

How pros and cons are picked (About: Disclaimer)

About this product

AM5, ATX, DDR5, 5G

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MSI MAG X870E Tomahawk MAX WiFi V1 Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5-80A SPS VRM,

$329.99as of 11/04/2026 00:18 PST - Details

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Spec score8.9

Pros

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

+Wi-Fi 7 wireless built in

+5G LAN for fast wired networking

+DDR5 memory support

Cons

−ATX form factor needs a standard full-size case

Compared with the 10 motherboards on this page

+Wi-Fi 7: the highest wi-fi of the 13 here

+5G: only 1 of 14 here have a higher wired lan

How pros and cons are picked (About: Disclaimer)

About this product