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Micro-ATX motherboard with black PCB, silver heatsinks, two DDR5 slots, single PCIe x16 slot, rear I/O shield with HDMI and DisplayPort

ASRock

ASRock B850M-X WiFi R2.0 AMD motherboard

SKU CH-D6VY-353TJ MPN B850M-X WiFi R2.0

Micro ATX AM5 board with DDR5 up to 8200, PCIe 5.0 x16, Gen5 M.2, WiFi, and 7.1 audio

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Form factorMicro ATX
  • CPU socketAM5
  • Memory slot count2 × 288pin (DDR5)
  • Supported memorySupports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC

Model B850M-X WiFi R2.0

Show 4 more
  • Supports Ryzen 7000, 8000 and 9000 series processors via AM5 socket
  • 6+1+1 phase Dr.MOS power design delivers stable CPU current
  • Dual-channel DDR5 memory up to 8200 MT/s across two slots
  • PCIe 5.0 x16 and PCIe 4.0 x16 slots for graphics and add-in cards
  • Realtek ALC897 7.1-channel HD audio with Nahimic enhancement

Compact AM5 Micro-ATX Board

The ASRock B850M-X WiFi R2.0 is a micro-ATX motherboard built around the AMD B850 chipset for socket AM5 processors. It accepts Ryzen 7000, 8000 and 9000 series CPUs and provides dual-channel DDR5 memory support up to 128 GB with speeds reaching 8200+(OC). The board includes a 6+1+1 phase Dr.MOS power design and a 6-layer PCB for stable delivery.

Ideal for Small-Form Builds

This board suits builders who need a compact platform with modern connectivity including PCIe 5.0 graphics, dual M.2 slots and integrated Wi-Fi. It is less suited for users requiring four memory slots, multiple full-length PCIe add-in cards or extensive SATA arrays beyond the four native ports.

Straightforward Installation

Installation follows standard micro-ATX procedures with a 24-pin ATX and 8-pin CPU power connector layout. The two DDR5 slots simplify memory population rules. Common issues include forgetting to enable EXPO or XMP profiles in BIOS for rated DDR5 speeds and ensuring the CPU cooler clearance matches the compact VRM heatsink area.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $105.99
Cheaper than about 74% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASRock
Model nameB850M-X WiFi R2.0
Part numberB850M-X WiFi R2.0
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count2 × 288pin (DDR5)
Supported memorySupports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC)*
*Please refer to Memory Support List on ASRock's website for more information.
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
Audio & video
Audio chip- 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
- Nahimic Audio
Sound channels7.1 Channels
Connectivity
Maximum network speed2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Bluetooth supportSupports Bluetooth 5.2
Ports & slots
PCIe 5.0 x16 slots1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
PCIe x1 slotsChipset:
- 1 x PCIe 4.0 x1 Slot (PCIE2)*
PCI slots- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
HDMI ports- 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120 Hz
Ethernet port1 x RJ45
DisplayPort connectors- 1 x DisplayPort 1.4
USB 3.1 ports- 3 x USB 3.2 Gen1 Type-A
USB 2.0 ports- 2 x USB 2.0 Ports
USB-C ports- 1 x USB 3.2 Gen1 Type-C
Audio jacksLine in / Front Speaker / Microphone
Size & build
Form factorMicro ATX
Width and length9.6-in × 8.9-in, 24.4 cm × 22.6 cm
Shipping weight0.56 kg
Package size297 × 264 × 61 mm
Compatibility
Windows 11 supportSupport Microsoft® Windows® 10 64-bit / 11 64-bit
In the box
In the box- 1 x I/O Shield
- 2 x SATA Data Cables
- 2 x ASRock WiFi 2.4/5/6 GHz Antennas
More details
LightingRGB
BIOS- 256Mb AMI UEFI Legal BIOS with GUI support

Other versions of this model

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Questions about this item

Which DDR5 memory kit do I need to reach the board's 8200+(OC) rating?

You need a DDR5 kit rated for 8200 MT/s or higher with EXPO or XMP profiles; the board has two 288-pin slots and supports up to 128 GB in dual-channel mode.

Will my existing PCIe 4.0 graphics card run at full x16 speed in the primary slot with a Ryzen 7000 CPU?

With a Ryzen 7000 or 9000 processor the primary PCIe 5.0 x16 slot operates at Gen5 x16, so a PCIe 4.0 card will run at its native Gen4 x16 speed.

How can I confirm the Blazing M.2 slot is running at Gen5 x4 after installing an NVMe drive?

Enter the BIOS and check the M2_1 slot information; it should report PCIe Gen5 x4 (128 Gb/s) link speed for the installed drive.

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