ASRock B850M Pro RS vs H670M Pro RS Motherboard Comparison

ASRock B850M Pro RS and ASRock H670M Pro RS are both motherboards with the same Form factor (Micro ATX), Audio Chipset (Realtek ALC897) and Audio Channels (7.1 Channels). The main differences are in Socket, Chipset, Supported Memory and LAN Chipset.

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ASRock B850M Pro RS	ASRock H670M Pro RS
Prices (Change region) In Stock Free shipping $129.99 In Stock $129.99 Last updated 31 minutes ago. In Stock $157.38	Prices (Change region) In Stock Free shipping $230.00
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Brand ASRock	Brand ASRock
Model B850M Pro RS	Model H670M Pro RS
Release Date 📅 January 2025	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 LGA1700
Form factor Micro ATX	Form factor Micro ATX
Chipset AMD B850	Chipset Intel H670
Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7600Mhz 7800Mhz 8000Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 4000Mhz 4266Mhz 4400Mhz 4600Mhz 5066Mhz
* 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 Realtek ALC897	Audio Chipset Realtek ALC897
Audio Channels 7.1 Channels	Audio Channels 7.1 Channels
LAN Chipset Dragon RTL8125BG	LAN Chipset Intel I219-V
Max LAN Speed 2.5Gbps	Max LAN Speed 10/100/1000Mbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support Yes
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports 2 x Antenna Mounting Points 1 x HDMI Port 1 x DisplayPort 1.4 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) 1 x USB 3.2 Gen2 Type-C Port 2 x USB 3.2 Gen1 Ports 4 x USB 2.0 Ports 1 x RJ-45 LAN Port 1 x BIOS Flashback Button HD Audio Jacks: Line in / Front Speaker / Microphone	Back I/O Ports 1 x HDMI Port 1 x DisplayPort 1.4 2 x USB 3.2 Gen2 Ports (10 Gb/s) (ReDriver) (Supports ESD Protection) 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Line in / Front Speaker / Microphone
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 1	PCI-Express x16 Slots 2
PCI-Express x4 Slots 1	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 4	M.2 Ports 3
M.2 Devices support 2280 - M Key 2280 - M Key 2280 - M Key 2230 - E Key	M.2 Devices support 2242 / 2280 - M Key 2280 - M Key 2230 - E Key
RAM Slots 4	RAM Slots 4
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 2	Onboard USB 3.2 Gen 1 2
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