GIGABYTE B840M D3HP WIFI6E vs X299 Aorus Gaming 3 Pro Motherboard Comparison

GIGABYTE B840M D3HP WIFI6E and Gigabyte X299 Aorus Gaming 3 Pro are both motherboards with the same M.2 Ports (2). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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GIGABYTE B840M D3HP WIFI6E	Gigabyte X299 Aorus Gaming 3 Pro
Prices (Change region) In Stock $312.07 Last updated 46 minutes ago.	Prices (Change region) - Buy now
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Brand GIGABYTE	Brand Gigabyte
Model B840M D3HP WIFI6E B840M D3HP WF6E	Model X299 AORUS Gaming 3 Pro X299 AORUS Gaming 3 Pro (rev. 1.0) GA-X299-AORUS-GAMING-3-PRO
Release Date 📅 February 2026	Release Date 📅 May 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►	Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►
Socket AM5	Socket LGA2066
Form factor Micro ATX	Form factor ATX
Chipset AMD B840	Chipset Intel X299
Supported Memory DDR5 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz 8200Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3300Mhz 3333Mhz 3400Mhz 3466Mhz 3600Mhz 3666Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4333Mhz 4400Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support No	ECC RAM Support No
SLI Support No	SLI Support Yes
CrossFire Support No	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Wireless LAN Yes	Wireless LAN No
Wi-Fi Generation 6E	Wi-Fi Generation -
PCI-Express x16 Slots 1	PCI-Express x16 Slots 5
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 1	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 8
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 2	M.2 Ports 2
M.2 Devices support 2580 - M Key 2280 - M Key	M.2 Devices support 2242 / 2260 / 2280 - M Key 2260 / 2280 / 22110 - M Key
RAM Slots 4	RAM Slots 8
Maximum Supported RAM 256 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 1	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 2
Onboard USB 3.2 Gen 2 1	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to buy the GIGABYTE B840M D3HP WIFI6E:

Gigabyte X299 Aorus Gaming 3 Pro is not available anymore in the selected region
Newer Product, it was released around 7 years later
Wireless LAN Integrated
+1 Slots PCI-E x1
+128 GB maximum RAM supported
+1 Onboard USB 3.2 Gen 2