ASRock B850M Challenger WiFi AMD AM5 Socket Motherboard, Micro-ATX, 4x DDR5 Slots, 2x M.2 Socket, Fitted I/O Shield, 2.5GbE LAN, Wi-Fi 7, 1x HDMI Port

ASRock B850M Challenger WiFi Micro ATX Motherboard

The ASRock B850M Challenger WiFi is designed to deliver superb productivity, rock-solid durability, and ultrafast connectivity in a compact micro ATX form factor.

Key Features

Superb Productivity

• PCIe Gen5 support for:
• Graphics
• M.2 storage
• Dual Channel DDR5 memory support

Rock-Solid Durability

• 8+1+1 Power Phase, Dr.MOS for VCore+MISC
• Pre-installed I/O shield

Ultrafast Connectivity

• 2.5G LAN with Dragon RTL8125BG
• 802.11be Wi-Fi 7 module
• ASRock Lightning Gaming Ports

EZ Update

• BIOS Flashback Button
• ASRock Auto Driver Installer

EZ Troubleshooter

• Designed to simplify system troubleshooting

Specifications

CPU

• Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors*

Chipset

• AMD B850

Memory

• Dual Channel DDR5 Memory Technology
• 4 x DDR5 DIMM slots
• Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+ (OC)*
• Maximum system memory capacity: 256GB
• Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules

BIOS

• 512Mb AMI UEFI Legal BIOS with GUI support

Graphics

• Integrated AMD RDNA™ graphics (actual support may vary by CPU)
• 1 x HDMI 2.1 TMDS/FRL 8G compatible
• Supports HDR
• Supports HDCP 2.3
• Maximum resolution up to 4K 120Hz

Audio

• 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
• Nahimic Audio

LAN

• 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
• Dragon RTL8125BG
• Dragon 2.5G LAN Software:
• Smart Auto Adjust Bandwidth Control
• Visual user-friendly UI
• Visual network usage statistics
• Optimized default settings for Game, Browser, and Streaming modes
• User customized priority control

Wireless LAN

• 802.11be 2x2 Wi-Fi 7 module
• Supports IEEE 802.11a/b/g/n/ac/ax/be
• Supports 2.4GHz / 5GHz / 6GHz frequency bands*
• Supports 160MHz channel bandwidth with 6GHz frequency band*
• 2 antennas supporting 2 (Transmit) x 2 (Receive) diversity technology
• Supports Bluetooth 5.4
• Supports MU-MIMO

Expansion Slots

CPU: - 1 x PCIe 5.0 x16 slot (PCIE1), supports x16 mode*

Chipset: - 1 x PCIe 4.0 x1 slot (PCIE2)
- 1 x PCIe 4.0 x16 slot (PCIE3), supports x4 mode
- 1 x M.2 Socket (Key E), supports type 2230 PCIe WiFi/BT module

Storage

CPU: - 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 2280 PCIe Gen4x4 (64 Gb/s) mode

Chipset: - 4 x SATA3 6.0 Gb/s connectors

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

USB Connectivity

CPU: - Rear: - 4 x USB 3.2 Gen1 Type-A (USB32_2, USB32_34, USB32_6)
- 1 x USB 2.0 (USB_2)

Chipset: - Front: - 1 x USB 3.2 Gen1 Type-C
- 2 x USB 3.2 Gen1 Type-A
- 4 x USB 2.0 (via headers)
- Rear: - 2 x USB 3.2 Gen1 Type-A (USB32_1 and USB32_5)
- 1 x USB 2.0 (USB_1)

Internal 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) with Smart Fan Speed Control***
• 3 x Chassis fan connectors (4-pin) with Smart Fan Speed Control***
• 1 x AIO pump fan connector (4-pin) with Smart Fan Speed Control***
• 1 x 24-pin ATX power connector
• 1 x 8-pin 12V power connector (Hi-Density Power Connector)
• 1 x 4-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 panel Type-C USB 3.2 Gen1 header

Rear Panel I/O

• 2 x Antenna ports
• 1 x HDMI port
• 6 x USB 3.2 Gen1 ports
• USB32_56 are Lightning Gaming Ports
• 2 x USB 2.0 ports
• 1 x RJ-45 LAN port
• 1 x BIOS Flashback Button
• HD Audio jacks: Line In / Front Speaker / Microphone

Software & UEFI

Software - ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC*

UEFI - ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash

Accessories

• 2 x SATA data cables
• 2 x ASRock WiFi 2.4/5/6 GHz antennas

Form Factor

• Micro ATX
• Dimensions: 9.6 in x 9.6 in (24.4 cm x 24.4 cm)

Operating System Support

• Microsoft Windows® 10 64-bit
• Microsoft Windows® 11 64-bit

Certifications

• FCC
• CE
• ErP/EuP ready (ErP/EuP ready power supply required)

* / ** / *** Refer to product documentation for specific conditions and support details.