Asus PRIME H810M-A-CSM vs Prime B840M-A WiFi-CSM Motherboard Comparison

Asus PRIME H810M-A-CSM and ASUS Prime B840M-A WiFi-CSM are both motherboards with the same Form factor (Micro ATX), Audio Channels (Realtek 7.1 Surround Sound High Definition Audi...) and SATA 6 Gbps Ports (4). The main differences are in Socket, Chipset, Supported Memory and Max LAN Speed.

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Asus PRIME H810M-A-CSM	ASUS Prime B840M-A WiFi-CSM
Prices (Change region) In Stock $129.99 Out of Stock Free shipping $129.99 Out of Stock $144.97 In Stock Free shipping $147.61 Show 1 more offers	Prices (Change region) In Stock $179.99 In Stock Free shipping $179.99 In Stock + $2.99 Shipping $183.99 Out of Stock Free shipping $200.80 In Stock $201.99 Show 2 more offers
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Brand Asus	Brand ASUS
Model PRIME H810M-A-CSM 90MB1KK0-M0AAYC	Model PRIME B840M-A WIFI-CSM 90MB1J20-MVAAYC
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 LGA1851	Socket AM5
Form factor Micro ATX	Form factor Micro ATX
Chipset Intel H810	Chipset AMD B840
Supported Memory DDR5 4800Mhz 6400Mhz	Supported Memory DDR5 4400Mhz 7600Mhz
* 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 Channels Realtek 7.1 Surround Sound High Definition Audio CODEC	Audio Channels Realtek 7.1 Surround Sound High Definition Audio CODEC
Max LAN Speed 1Gbps	Max LAN Speed 2.5Gbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support No	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 2 x USB 10Gbps ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Intel 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard/mouse combo port	Back I/O Ports 2 x USB 10Gbps ports (2 x Type-A) 1 x USB 5Gbps port (1 x USB Type-C) 4 x USB 2.0 ports (4 x Type-A) 2 x DisplayPort 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack button
Wireless LAN No	Wireless LAN Yes
Wi-Fi Generation -	Wi-Fi Generation 6E
PCI-Express x16 Slots 1	PCI-Express x16 Slots 3
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 3	M.2 Ports 3
M.2 Devices support 2280 - M Key 2242 / 2260 / 2280 - M Key 2230 - E Key	M.2 Devices support 2280 - M Key 2242 / 2260 / 2280 - M Key 2280 - M Key
RAM Slots 2	RAM Slots 4
Maximum Supported RAM 128 GB	Maximum Supported RAM 192 GB
Onboard USB 2.0 1	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 0	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