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)