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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

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots2x288pin (DDR5)
  • Memory StandardSupports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC
  • Maximum Memory Supported128GB

Option B850M-X WiFi R2.0

Struck-through versions exist but are not stocked here.

  • 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.

Highlights

  • 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

Specifications

BrandASRock
ModelB850M-X WiFi R2.0
Part NumberB850M-X WiFi R2.0
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots2x288pin (DDR5)
Memory StandardSupports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC)*
*Please refer to Memory Support List on ASRock's website for more information.
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory Feature- Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules
PCI Express 5.0 x161 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
PCI Express 4.0 x161 x PCIe 4.0 x16 Slot (PCIE3), supports x4 mode*
*PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
Supports NVMe SSD as boot disks
PCI Express x1Chipset:
- 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
Serial ATA (SATA)4 x SATA 6Gb/s
M.2CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
*Supports NVMe SSD as boot disks
M2_1 is the first priority for M.2 installation.
M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
M2_2 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.
SATA RAID- Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
- Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices*
*Requires additional M.2 NVMe expansion cards to support RAID 10
Audio Chipset- 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
- Nahimic Audio
Audio Channels7.1 Channels
LAN Chipset- Dragon RTL8125BG
- Supports Dragon 2.5G LAN Software
- Smart Auto Adjust Bandwidth Control
- Visual User Friendly UI
- Visual Network Usage Statistics
- Optimized Default Setting for Game, Browser, and Streaming Modes
- User Customized Priority Control
Max LAN Speed2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Wireless LAN- 802.11axe Wi-Fi 6E Module
- Supports IEEE 802.11a/b/g/n/ac/ax/axe
- Supports Dual-Band 2x2 with extended 6GHz band support*
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports MU-MIMO
*The Wi-Fi 6E module is supported by Microsoft® Windows® 11 only. There is no driver available for Windows® 10. The availability of the 6GHz band will depend on the different regulation status of each country and region. It will be activated (for supported countries) through Windows® Update and software updates once available.
A 6GHz compatible router is required for 6E
BluetoothSupports Bluetooth 5.2
HDMI- 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
RJ451 x RJ45
DisplayPort- 1 x DisplayPort 1.4
USB 3.1- 3 x USB 3.2 Gen1 Type-A
USB 1.1/2.0- 2 x USB 2.0 Ports
USB Type-C- 1 x USB 3.2 Gen1 Type-C
Audio PortsLine in / Front Speaker / Microphone
Other Connectors- 1 x Thermistor Cable Header
- 1 x SPI TPM Header
- 1 x Power LED and Speaker Header
- 1 x RGB LED Header*
- 3 x Addressable LED Headers**
- 2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
- 1 x 24 pin ATX Power Connector
- 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector
- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
- 1 x Front
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6-in x 8.9-in, 24.4 cm x 22.6 cm
BIOS Feature- 256Mb AMI UEFI Legal BIOS with GUI support
SoftwareSoftware
- ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC*
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
*These utilities can be downloaded from ASRock Live Update & APP Shop.
Windows 11support Microsoft® Windows® 10 64-bit / 11 64-bit
FeaturesSuperb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
Rock-Solid Durability
- 6+1+1 Power Phase, Dr.MOS for VCore
Ultrafast Connectivity
- 2.5G LAN, 802.11axe Wi-Fi 6E Module
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter
Integrated AMD RDNA™ graphics (Actual support may vary by CPU)
Package Contents- 1 x I/O Shield
- 2 x SATA Data Cables
- 2 x ASRock WiFi 2.4/5/6 GHz Antennas
Shipping weight0.56 kg
Package size297 × 264 × 61 mm

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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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