GIGABYTE B850 Gaming WIFI6 vs B840M EAGLE WIFI6 Motherboard Comparison

GIGABYTE B850 Gaming WIFI6 and Gigabyte B840M EAGLE WIFI6 are both motherboards with the same Socket (AM5), Wi-Fi Generation (6) and SATA 6 Gbps Ports (4). The main differences are in Form factor, Chipset, Supported Memory and PCI-Express x16 Slots.

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GIGABYTE B850 Gaming WIFI6	Gigabyte B840M EAGLE WIFI6
Prices (Change region) In Stock $175.00 Last updated 21 minutes ago. In Stock + $0.99 Shipping $179.99 In Stock $190.99 In Stock Free shipping $297.90 Show 1 more offers	Prices (Change region) In Stock $170.34 Last updated 22 minutes ago.
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Brand GIGABYTE	Brand Gigabyte
Model B850 GAMING WIFI6 B850 GAMING WF6	Model B840M EAGLE WIFI6
Release Date 📅 January 2025	Release Date 📅 January 2025
* 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 ATX	Form factor Micro ATX
Chipset AMD B850	Chipset AMD B840
Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz 8200Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz
* 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
Max LAN Speed 1Gbps	Max LAN Speed -
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 1 x DisplayPort 1 x HDMI 1 x USB 3.2 Gen 2 Type-C 2 x USB 3.2 Gen 1 Type-A 2 x USB 3.2 Gen 2 Type-A 4 x USB 2.0/1.1	Back I/O Ports -
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 6	Wi-Fi Generation 6
PCI-Express x16 Slots 4	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 3	M.2 Ports 2
M.2 Devices support 2280 / 22110 - M Key 2280 / 22110 - M Key 2280 / 22110 - M Key	M.2 Devices support 2580 - M Key 2280 - M Key
RAM Slots 4	RAM Slots 2
Maximum Supported RAM 256 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 2	Onboard USB 2.0 2
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 B850 Gaming WIFI6:

Supports the following RAM types: DDR5 7400MHz, 7600MHz, 7800MHz, 7900MHz, 7950MHz, 8000MHz, 8200MHz
+2 Slots PCI-E x16
+1 Ports M.2
+2 RAM slots
+128 GB maximum RAM supported