Motherboards Supporting 256GB of Memory

AM5, E-ATX, DDR5, 256GB

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ASUS - ROG Crosshair X870E (Socket AM5) AMD X870 E-ATX DDR5 Wi-Fi 7 Motherboard with Integrated ROG RYUJIN 360 Liquid

$3,299.00as of 11/04/2026 12:10 PST - Details

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Spec score9.1

Pros

+Nine M.2 slots for extensive storage expansion

+10G LAN for fast wired networking

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

+Supports up to 256 GB of DDR5 memory

+Integrated 360 mm liquid cooler included with the board

Cons

−E-ATX form factor needs a larger, compatible case

−Limited to the AM5 socket

Compared with the 5 motherboards on this page

+10G: the highest wired lan of the 9 here

+9 m.2 slots: the most m.2 slots of the 5 here

+256GB maximum memory: the highest maximum memory of the 11 here

−4 sata ports: 4 of the 7 here have more sata ports

How pros and cons are picked (About: Disclaimer)

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AM5, ATX, DDR5, 4 Memory slots

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Asus - ASUS ROG Crosshair X870E Edition 20 Motherboard

$3,569.99as of 11/04/2026 12:09 PST - Details

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Spec score8.5

Pros

+Five M.2 slots for fast SSD storage

+Wi-Fi 7 built in

+5G LAN for very fast wired networking

+Supports up to 256 GB of DDR5 memory

+Two PCIe x16 slots for multiple graphics cards

Cons

−Only four SATA ports for drives

Compared with the 5 motherboards on this page

+256GB maximum memory: the highest maximum memory of the 11 here

+5G: only 1 of 9 here have a higher wired lan

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

−4 sata ports: 4 of the 7 here have more sata ports

How pros and cons are picked (About: Disclaimer)

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AM5, ATX, DDR5, 4 Memory slots

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ASRock X870 Pro RS AMD Ryzen Socket AM5 ATX Motherboard DDR5 DIMMs 8000 MHz 256 GB PCIe Gen5 SATA3 6.0 Gb/s

$169.99as of 11/04/2026 12:09 PST - Details

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Spec score8.2

Pros

+Supports up to 256 GB of DDR5 memory

+Built-in Wi-Fi 7 for wireless connectivity

+2.5G LAN for faster wired networking

+Four SATA ports for storage drives

+DDR5 memory at up to 8000 MHz

Cons

−Single PCIe x16 slot limits graphics card options

Compared with the 5 motherboards on this page

+256GB maximum memory: the highest maximum memory of the 11 here

−1 pcie x16 slots: 3 of the 5 here have more pcie x16 slots

−4 sata ports: 4 of the 7 here have more sata ports

How pros and cons are picked (About: Disclaimer)

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LGA1700, ATX, DDR5, 4 Memory slots

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ASRock Z790 PG Sonic ATX Motherboard, Intel 14th/13th/12th Gen LGA1700, DDR5 7200+ (OC), PCIe 5.0, Killer 2.5G LAN,

$179.99as of 11/04/2026 12:09 PST - Details

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Spec score8.4

Pros

+Supports Intel 14th, 13th and 12th Gen processors

+Supports up to 256 GB of DDR5 memory

+Four RAM slots for DDR5 memory

+Eight SATA ports for many storage drives

+PCIe 5.0 support

Cons

−Single PCIe x16 slot limits graphics card expansion

Compared with the 5 motherboards on this page

+256GB maximum memory: the highest maximum memory of the 11 here

−1 pcie x16 slots: 3 of the 5 here have more pcie x16 slots

How pros and cons are picked (About: Disclaimer)

About this product

LGA1851, ATX, DDR5, 256GB

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MSI PRO Z890-S WiFi ProSeries Motherboard (Support Core Ultra Series 2 Intel Processors, LGA 1851, DDR5, PCIe 5.0, M.2,

$225.00as of 11/04/2026 00:18 PST - Details

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Spec score8.6

Compared with the 5 motherboards on this pagePros

+256GB maximum memory: the highest maximum memory of the 11 here

How pros and cons are picked (About: Disclaimer)

About this product