Skip to product information
1 of 6

ASROCK

ASRock B850M Rock WiFi AMD AM5 Socket Motherboard, Micro-ATX, 2x DDR5 Slots, 2x M.2 Socket, Fitted I/O Shield, 2.5GbE LAN, Wi-Fi 6E, 1x DisplayPort / 1x HDMI Port

ASRock B850M Rock WiFi AMD AM5 Socket Motherboard, Micro-ATX, 2x DDR5 Slots, 2x M.2 Socket, Fitted I/O Shield, 2.5GbE LAN, Wi-Fi 6E, 1x DisplayPort / 1x HDMI Port

Regular price £139.96 GBP
Regular price Sale price £139.96 GBP
Sale Sold out
Taxes included.
Quantity
View full details

ASRock B850M Rock WiFi Micro ATX Motherboard

The ASRock B850M Rock WiFi is a micro ATX motherboard designed for AMD Socket AM5 Ryzen™ 9000, 8000, and 7000 Series processors. It combines PCIe Gen5 support, DDR5 memory, robust power delivery, and high-speed connectivity in a compact form factor.


Key Features

Superb Productivity

  • PCIe Gen5 support for graphics and M.2
  • Dual Channel DDR5 memory support

Rock-Solid Durability

  • 6+1+1 power phase design with Dr.MOS for VCore
  • Pre-installed I/O shield

Ultrafast Connectivity

  • 2.5G LAN
  • 802.11axe Wi-Fi 6E module

EZ Update

  • BIOS Flashback button
  • ASRock Auto Driver Installer

EZ Troubleshooter

  • Designed for simplified troubleshooting

Specifications

CPU Support

Item Details
Socket AMD Socket AM5
Supported CPUs AMD Ryzen™ 9000, 8000 and 7000 Series Processors*

Chipset

Item Details
Chipset AMD B850

Memory

Item Details
Memory Type Dual Channel DDR5 Memory Technology
Slots 2 x DDR5 DIMM slots
Supported Memory DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC)*
Max Capacity 128GB
Profiles Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules

BIOS

Item Details
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, HDCP 2.3
  • Max resolution up to 4K 120Hz
  • 1 x DisplayPort 1.4 with DSC (compressed)
  • Supports HDCP 2.3
  • Max resolution up to 4K 120Hz

Audio

  • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)

Networking

LAN

Item Details
Controller Dragon RTL8125BG
Speed 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Software Dragon 2.5G LAN Software

Dragon 2.5G LAN Software Features: - 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 & Bluetooth

  • 802.11axe Wi-Fi 6E module
  • Supports IEEE 802.11a/b/g/n/ac/ax/axe
  • Dual-Band 2x2 with extended 6GHz band support
  • 2 antennas supporting 2 (Transmit) x 2 (Receive) diversity technology
  • Supports Bluetooth 5.3
  • Supports MU-MIMO

Expansion Slots

CPU

  • 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*

Chipset

  • 1 x PCIe 3.0 x16 Slot (PCIE2), supports x4 mode*
  • 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi 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 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*

Chipset

  • 4 x SATA3 6.0 Gb/s connectors

RAID Support

  • 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

  • 3 x USB 3.2 Gen1 Type-A (rear: USB32_2 and USB32_34)
  • 1 x USB 2.0 (rear: USB_2)

Chipset

  • 1 x USB 3.2 Gen1 Type-C (front)
  • 3 x USB 3.2 Gen1 Type-A (1 rear: USB32_1, 2 front)
  • 5 x USB 2.0 (1 rear: USB_1, 4 front)

Internal Connectors & Headers

  • 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**
  • 1 x CPU fan connector (4-pin) (Smart Fan Speed Control)***
  • 2 x Chassis 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 panel Type-C USB 3.2 Gen1 header

Rear Panel I/O

  • 2 x Antenna ports
  • 1 x HDMI port
  • 1 x DisplayPort 1.4
  • 4 x USB 3.2 Gen1 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

Item Details
Form Factor Micro ATX
Dimensions 9.6 in x 8.9 in (24.4 cm x 22.6 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)