ASROCK B850M-X WIFI (AM5) M-ATX Motherboard

ASROCK B850M-X WIFI (AM5) M-ATX Motherboard

SPECIFICATION

 

 

ASRock B850 Motherboard

Micro-ATX | AMD Socket AM5

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UNIQUE FEATURES

Superb Productivity

• PCIe Gen5 (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

• ASRock Post Status Checker

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CPU SUPPORT

Socket

AMD AM5

Supported Processors

• AMD Ryzen™ 9000 Series

• AMD Ryzen™ 8000 Series

• AMD Ryzen™ 7000 Series

Expansion slot availability may vary by CPU. Refer to PCIe/M.2 bandwidth table.

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CHIPSET

Chipset

AMD B850

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MEMORY

Memory Technology

Dual Channel DDR5

Memory Slots

2 × DDR5 DIMM

Maximum Capacity

Up to 128 GB

Memory Support

• DDR5 ECC / non-ECC un-buffered

• Up to DDR5 8200+ (OC)*

• AMD EXPO™

• Intel XMP

Refer to ASRock Memory Support List for compatibility.

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BIOS

• 256Mb AMI UEFI Legal BIOS

• GUI Support

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GRAPHICS

Integrated Graphics

AMD RDNA™ Graphics (CPU dependent)

Display Outputs

• 1 × HDMI 2.1 (TMDS/FRL 8G)

  • Supports HDR, HDCP 2.3

  • Max Resolution: 4K @ 120Hz

• 1 × DisplayPort 1.4 with DSC

  • Supports HDCP 2.3

  • Max Resolution: 4K @ 120Hz

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AUDIO

• 7.1-Channel HD Audio

• Realtek ALC897 Audio Codec

• Nahimic Audio

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NETWORKING

LAN

• Dragon RTL8125BG

• 2.5 Gigabit LAN (10/100/1000/2500 Mbps)

• Dragon 2.5G LAN Software

• Smart Bandwidth Control

• Gaming / Streaming / Browser Optimized Modes

Wireless

• Wi-Fi 6E (802.11axe)

• IEEE 802.11 a/b/g/n/ac/ax/axe

• Dual-Band 2×2 with 6 GHz support

• Bluetooth® 5.2

• MU-MIMO

• 2 × Antennas

Wi-Fi 6E requires Windows 11 and compatible router.

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EXPANSION SLOTS

CPU

• 1 × PCIe 4.0 x16 (PCIE1)*

Chipset

• 1 × PCIe 4.0 x1 (PCIE2)*

• 1 × PCIe 4.0 x16 (PCIE3, x4 mode)*

• 1 × M.2 Key-E (2230) for Wi-Fi/BT

Slot bandwidth varies by CPU generation.

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STORAGE

M.2 (CPU)

• 1 × Blazing M.2 (M2_1) PCIe Gen5 ×4 (2280)

• 1 × Hyper M.2 (M2_2) PCIe Gen4 ×4 (2260/2280)

SATA

• 4 × SATA3 6.0 Gb/s

RAID Support

• SATA: RAID 0 / 1 / 10

• NVMe: RAID 0 / 1 / 10*

RAID 10 for NVMe requires additional M.2 expansion cards.

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USB

CPU

• 3 × USB 3.2 Gen1 Type-A (Rear)

• 1 × USB 2.0 (Rear)

Chipset

• 2 × USB 3.2 Gen1 Type-C (1 Rear, 1 Front)

• 2 × USB 3.2 Gen1 Type-A (Front)

• 5 × USB 2.0 (1 Rear, 4 Front)

All USB ports support ESD protection.

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INTERNAL CONNECTORS

• Thermistor Cable Header

• SPI TPM Header

• Power LED & Speaker Header

• 1 × RGB LED Header (12V/3A, 36W)

• 3 × Addressable RGB Headers (5V/3A, 15W)

• 2 × CPU Fan Headers

• 3 × Chassis / Water Pump Fan Headers

• 1 × AIO Pump Header

• 24-pin ATX Power Connector

• 8-pin 12V Hi-Density Power Connector

• Front Panel Audio Header

• 2 × USB 2.0 Headers

• 1 × USB 3.2 Gen1 Header

• 1 × Front Panel USB Type-C Header

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REAR PANEL I/O

• 2 × Wi-Fi Antenna Ports

• 1 × HDMI

• 1 × DisplayPort 1.4

• 1 × USB 3.2 Gen1 Type-C

• 3 × USB 3.2 Gen1 Type-A

• 2 × USB 2.0

• 1 × RJ-45 LAN

• 1 × BIOS Flashback Button

• HD Audio Jacks (Line-in / Front Speaker / Mic)

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SOFTWARE & UEFI

Software

• ASRock A-Tuning

• ASRock Dragon 2.5G LAN

• ASRock Polychrome SYNC

UEFI Features

• EZ Mode

• Full HD UEFI

• Auto Driver Installer

• Instant Flash

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ACCESSORIES

• I/O Shield

• 2 × SATA Data Cables

• 2 × ASRock Wi-Fi Antennas

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FORM FACTOR

Micro-ATX

9.6 in × 8.9 in

(24.4 cm × 22.6 cm)

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OS SUPPORT

• Windows 10 64-bit

• Windows 11 64-bit

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CERTIFICATIONS

• FCC

• CE

• ErP / EuP Ready