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E-ATX Motherboards

All motherboards

3 E-ATX motherboards from Supermicro, ASUS, Machinist and more. Prices run $185 to $3,299.

ASUSSpec score 8.6

AM5, E-ATX, DDR5, 256GB

+Nine M.2 slots for extensive storage expansion
+10G LAN for fast wired networking
+Built-in Wi-Fi 7 for current wireless standards
−E-ATX form factor needs a larger, compatible case
−Limited to the AM5 socket
$3,299.00
as of 11/04/2026 12:10 PST - Details
ShangzhaoyuanSpec score 8.2

LGA2011-3, E-ATX, DDR4, 256GB

+Dual CPU support for multi-processor workloads
+Supports up to 256GB of RAM
+Four PCIe x16 slots for multiple expansion cards
−Large E-ATX form factor needs a full-size case
−Uses the older LGA2011-3 socket
$184.99
as of 11/04/2026 07:07 PST - Details
MachinistSpec score 8.4

LGA2011-3, E-ATX, DDR4, 256GB

+4 pcie x16 slots: the most pcie x16 slots of the 5 here
+10 sata ports: the most sata ports of the 6 here
−256GB maximum memory: 5 of the 10 here have a higher maximum memory
$189.99
as of 11/04/2026 00:04 PST - Details

Compare specs

motherboardSocketForm factorMemory typeMaximum memoryWired LANSpec scorePrice
AM5E-ATXDDR5256GB10G8.6$3,299.00
as of 11/04/2026 12:10 PST - Details
LGA2011-3E-ATXDDR4256GB1G8.2$184.99
as of 11/04/2026 07:07 PST - Details
LGA2011-3E-ATXDDR4256GB8.4$189.99
as of 11/04/2026 00:04 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.