GIGABYTE B840M D3HP vs B650I AX Motherboard Comparison

GIGABYTE B840M D3HP and Gigabyte B650I AX are both motherboards with the same Socket (AM5), PCI-Express x16 Slots (1) and Onboard USB 2.0 (1). The main differences are in Form factor, Chipset, Supported Memory and Wireless LAN.

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GIGABYTE B840M D3HP	Gigabyte B650I AX
Prices (Change region) In Stock $259.27 Last updated 51 minutes ago.	Prices (Change region) In Stock Free shipping $299.90
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Brand GIGABYTE	Brand Gigabyte
Model B840M D3HP	Model B650I AX
Release Date 📅 February 2026	Release Date -
* 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 AM5
Form factor Micro ATX	Form factor Mini ITX
Chipset AMD B840	Chipset AMD B650
Supported Memory DDR5 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz 8200Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz
* 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 No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Wireless LAN No	Wireless LAN Yes
Wi-Fi Generation -	Wi-Fi Generation 6E
PCI-Express x16 Slots 1	PCI-Express x16 Slots 1
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 2
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 2	M.2 Ports 1
M.2 Devices support 2580 - M Key 2280 - M Key	M.2 Devices support 2280 - M Key
RAM Slots 4	RAM Slots 2
Maximum Supported RAM 256 GB	Maximum Supported RAM 96 GB
Onboard USB 2.0 1	Onboard USB 2.0 1
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1	Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0

Comparison and key differences summary

Reasons to buy the GIGABYTE B840M D3HP:

14% cheaper, you can save $40.63
Supports the following RAM types: DDR5 6600MHz, 6800MHz, 7000MHz, 7200MHz, 7400MHz, 7600MHz, 7800MHz, 7900MHz, 7950MHz, 8000MHz, 8200MHz
+1 Slots PCI-E x1
+2 Ports SATA 6Gb/s
+1 Ports M.2
+2 RAM slots
+160 GB maximum RAM supported