ASRock B850M Pro RS WiFi vs Z890 Pro RS WiFi Motherboard Comparison

ASRock B850M Pro RS WiFi and ASRock Z890 Pro RS WiFi are both motherboards with the same Audio Chipset (Realtek ALC897), LAN Chipset (Dragon RTL8125BG) and Max LAN Speed (2.5Gbps). The main differences are in Socket, Form factor, Chipset and Supported Memory.

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ASRock B850M Pro RS WiFi	ASRock Z890 Pro RS WiFi
Prices (Change region) In Stock Free shipping $139.99 In Stock $139.99 Last updated 7 minutes ago. In Stock $148.49	Prices (Change region) In Stock $179.99 Last updated 6 minutes ago. In Stock Free shipping $179.99
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Brand ASRock	Brand ASRock
Model B850M Pro RS WiFi	Model Z890 Pro RS WiFi
Release Date 📅 January 2025	Release Date 📅 October 2024
* 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 LGA1851
Form factor Micro ATX	Form factor ATX
Chipset AMD B850	Chipset Intel Z890
Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7600Mhz 7800Mhz 8000Mhz	Supported Memory DDR5 4400Mhz 4800Mhz 5200Mhz 5600Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7600Mhz 7800Mhz 8000Mhz 8200Mhz 8400Mhz
* 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 CH HD Audio Nahimic Audio
LAN Chipset Dragon RTL8125BG	LAN Chipset Dragon RTL8125BG
Max LAN Speed 2.5Gbps	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 2 x Antenna Ports 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 2 x Antenna Mounting Points 1 x HDMI Port 1 x DisplayPort 1.4 2 x Thunderbolt 4 Type-C Ports (40 Gb/s for USB4 protocol; 40Gb/s for Thunderbolt protocol)* 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) 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 * Supports USB PD 3.0 up to 5V@3A (15W) charging
Wireless LAN Yes	Wireless LAN Yes
Wi-Fi Generation 6E	Wi-Fi Generation 6E
PCI-Express x16 Slots 1	PCI-Express x16 Slots 1
PCI-Express x4 Slots 1	PCI-Express x4 Slots 2
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 5
M.2 Devices support 2280 - M Key 2280 - M Key 2280 - M Key 2230 - E Key	M.2 Devices support 2280 - M Key 2280 - M Key 2280 - M Key 2230 / 2242 / 2260 / 2280 - M Key 2230 - E 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 2	Onboard USB 3.2 Gen 1 2
Onboard USB 3.2 Gen 2 1	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 1