ASRock B850M Rock WiFi vs B850M-X WiFi Motherboard Comparison

ASRock B850M Rock WiFi and ASRock B850M-X WiFi are both motherboards with the same Socket (AM5), Form factor (Micro ATX) and Chipset (AMD B850). The main differences are in Supported Memory and PCI-Express x1 Slots.

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ASRock B850M Rock WiFi	ASRock B850M-X WiFi
Prices (Change region) In Stock Free shipping $166.99	Prices (Change region) In Stock Free shipping $184.29
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Brand ASRock	Brand ASRock
Model B850M Rock WiFi	Model B850M-X 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 Micro ATX
Chipset AMD B850	Chipset AMD B850
Supported Memory DDR5 4400Mhz 8200Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7600Mhz 7800Mhz 8000Mhz 8200Mhz
* 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 7.1 Channels
LAN Chipset -	LAN Chipset Dragon RTL8125BG
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 2 x Antenna Ports 1 x HDMI Port 1 x DisplayPort 1.4 1 x USB 3.2 Gen1 Type-C Port 3 x USB 3.2 Gen1 Type-A Ports 2 x USB 2.0 Ports 1 x RJ-45 LAN Port 1 x BIOS Flashback Button HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 6E	Wi-Fi Generation 6E
PCI-Express x16 Slots 2	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 0	PCI-Express x1 Slots 1
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 2260 / 2280 - M Key 2230 - E Key	M.2 Devices support 2280 - M Key 2260 / 2280 - M Key 2230 - E Key
RAM Slots 2	RAM Slots 2
Maximum Supported RAM 128 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