E-ATX Motherboards

All motherboards

17 E-ATX motherboards from Supermicro, ASUS, Machinist and more. Most cost $246 to $2,800, and half cost less than $598.

Top brands: Supermicro (7)

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 11/03/2026 21:57 PST - Details

MSISpec score 8.6

AM5, E-ATX, DDR5, 4 Memory slots

+10G LAN for very fast wired networking

+Four RAM slots for DDR5 memory

+Wi-Fi 7 wireless built in

−E-ATX form factor requires a large, compatible case

$1,299.99

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

GIGABYTE

sTR5, E-ATX, DDR5, 10G

+sTR5 socket supports AMD Threadripper processors

+10G LAN for high-speed wired networking

+Built-in Wi-Fi 7 for wireless connectivity

−Extended ATX size requires a large case

$615.73

as of 11/03/2026 23:11 PST - Details

SupermicroSpec score 8.9

LGA2011, E-ATX, DDR4, 16 Memory slots

+Sixteen RAM slots for large memory configurations

+Ten SATA ports for many storage drives

+E-ATX form factor for expanded board layout

−Single PCIe x16 slot limits expansion cards

−E-ATX form factor needs a larger case

$1,426.10

as of 11/04/2026 07:10 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

SupermicroSpec score 8.2

LGA2011, E-ATX, DDR4, 8 Memory slots

+Supports up to 1024 GB of RAM

+Supports ECC memory

+Eight RAM slots

−E-ATX form factor needs a large case

$696.99

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

GenericSpec score 8.1

LGA2011-3, E-ATX, DDR4, 8 Memory slots

+Dual CPU socket design for high processing capacity

+Eight DDR4 slots supporting up to 512GB

+Three PCIe x16 slots for expansion cards

−Large E-ATX form factor needs a spacious case

−1G network speed is slower than newer boards

$259.90

as of 11/03/2026 23:31 PST - Details

ASUS

sTRX4, E-ATX, 10G, Wi-Fi 6

+Supports 3rd Gen Ryzen Threadripper processors

+10G LAN for very fast wired networking

+Built-in Wi-Fi 6 for wireless connectivity

−Large E-ATX size needs a spacious case

$1,302.63

as of 11/03/2026 21:57 PST - Details

SupermicroSpec score 8.0

LGA2011, E-ATX, DDR4, 8 Memory slots

+Intel C612 chipset for server-class platforms

+Supports up to 1024 GB of DDR4 memory

+ECC memory support for error correction

−E-ATX form factor needs a larger case

$260.00

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

WisoquSpec score 7.5

LGA2011-3, E-ATX, DDR4, 8 Memory slots

+Eight memory slots support up to 64GB of RAM

+ECC memory support for error-checking

+Gigabit LAN for wired networking

−Maximum memory of 64GB limits large workloads

−Extended ATX size needs a large case

$246.27

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

Generic

SP5, E-ATX, DDR5

+SP5 socket for EPYC 9004 and 9005 processors

+E-ATX form factor for server builds

+DDR5 memory support

−E-ATX size needs a large server chassis

$2,800.00

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

Supermicro

LGA2011, E-ATX, DDR4, Intel C612

+Dual LGA2011 sockets for two processors

+Intel C612 chipset

+Uses DDR4 memory

−E-ATX form factor needs a large case

$438.00

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

ASUSSpec score 8.3

TR4, E-ATX, DDR4, 128GB

+Supports AMD Threadripper 2 processors on TR4 socket

+10G LAN for very fast wired networking

+Large 128 GB maximum memory capacity

−Uses older DDR4 memory standard

−Large E-ATX size needs a spacious case

No price recorded yet.

SupermicroSpec score 9.2

LGA4189, E-ATX, DDR4, 16 Memory slots

+Supports up to 4096 GB of DDR4 memory

+Sixteen RAM slots for large memory configurations

+Four M.2 slots for multiple fast storage drives

$1,103.20

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

Supermicro

LGA1366, E-ATX, 288GB

+Intel 5520 dual processor platform

+E-ATX form factor with room for expansion

+Supports up to 288GB of DDR3 memory

$580.00

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

Supermicro

LGA1366, E-ATX

+Dual LGA 1366 sockets for two Xeon processors

+E-ATX form factor for large server cases

−Older LGA 1366 platform limits processor options

$529.95

as of 11/04/2026 07:10 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

Socket	Form factor	Memory type	Maximum memory	Wired LAN	Spec score	Price
AM5	E-ATX	DDR5	256GB	10G	8.6	$3,299.00 as of 11/03/2026 21:57 PST - Details
AM5	E-ATX	DDR5		10G	8.6	$1,299.99 as of 11/04/2026 00:18 PST - Details
sTR5	E-ATX	DDR5		10G	n/a	$615.73 as of 11/03/2026 23:11 PST - Details
LGA2011	E-ATX	DDR4			8.9	$1,426.10 as of 11/04/2026 07:10 PST - Details
LGA2011-3	E-ATX	DDR4	256GB	1G	8.2	$184.99 as of 11/04/2026 07:07 PST - Details
LGA2011	E-ATX	DDR4	1TB	1G	8.2	$696.99 as of 11/04/2026 07:10 PST - Details
LGA2011-3	E-ATX	DDR4	512GB	1G	8.1	$259.90 as of 11/03/2026 23:31 PST - Details
sTRX4	E-ATX			10G	n/a	$1,302.63 as of 11/03/2026 21:57 PST - Details
LGA2011	E-ATX	DDR4	1TB		8.0	$260.00 as of 11/04/2026 07:10 PST - Details
LGA2011-3	E-ATX	DDR4	64GB	1G	7.5	$246.27 as of 11/04/2026 08:11 PST - Details

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