MSI B850M GAMING PLUS WIFI vs B840 GAMING PLUS WIFI Motherboard Comparison

MSI B850M GAMING PLUS WIFI and MSI B840 GAMING PLUS WIFI are both motherboards with the same Socket (AM5), Wi-Fi Generation (7) 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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MSI B850M GAMING PLUS WIFI	MSI B840 GAMING PLUS WIFI
Prices (Change region) There are no offers available in your selected region. Other merchants are available in another region. In Stock Free shipping €156.27 In Stock + €8.01 Shipping €163.97 In Stock + €19.90 Shipping €156.90 In Stock + €5.90 Shipping €181.20 In Stock + €6.50 Shipping €184.99 In Stock + €8.00 Shipping €189.88 In Stock Free shipping €208.13 In Stock Free shipping €212.99 Show 5 more offers	Prices (Change region) In Stock Free shipping $169.99 In Stock Free shipping $169.99 In Stock + $2.99 Shipping $169.99 In Stock $183.49 Show 1 more offers
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Brand MSI	Brand MSI
Model B850M GAMING PLUS WIFI 911-7E66-001	Model B840 GAMING PLUS WIFI
Release Date -	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 Micro ATX	Form factor ATX
Chipset AMD B850	Chipset AMD B840
Supported Memory DDR5 4800Mhz 8200Mhz	Supported Memory DDR5 4800Mhz 5200Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz
* 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
Audio Chipset -	Audio Chipset Realtek ALC897
Audio Channels -	Audio Channels 8 Channels
LAN Chipset -	LAN Chipset Realtek 8125D
Max LAN Speed -	Max LAN Speed 2.5Gbps
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 -	Back I/O Ports 1 x Clear CMOS Button 1 x Flash BIOS Button 1 x HDMI 1 x LAN (RJ45) 1 x USB 3.2 Gen 2 Type-A 2 x Antenna Bracket 2 x USB 3.2 Gen 1 Type-A 3 x Audio Jacks 4 x USB 2.0/1.1
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 7	Wi-Fi Generation 7
PCI-Express x16 Slots 2	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 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 2	M.2 Ports 2
M.2 Devices support 2260 / 2280 - M Key 2260 / 2280 - M Key	M.2 Devices support 2260 / 2280 - M Key 2260 / 2280 / 22110 - M Key
RAM Slots 4	RAM Slots 4
Maximum Supported RAM 256 GB	Maximum Supported RAM 256 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