ASRock B850M Pro-A WiFi Micro-ATX Intel B850 LGA1851 DDR5 Wi-Fi 7 – B850M PRO-A WIFI
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- Supports AMD Ryzen 9000, 8000, 7000 series processors with AM5 socket
- Dual-channel DDR5 memory up to 8000+ MHz (OC), max 256GB for high performance
- PCIe 5.0 x16 and Blazing M.2 Gen5x4 for next-gen graphics and storage
- Wi-Fi 6E and 2.5G LAN for ultrafast, reliable connectivity
- 8+2+1 power phase with Dr.MOS for stable and durable performance
- Polychrome SYNC for customizable RGB and Realtek ALC897 audio for immersive sound
Description
Reliable Performance with the ASRock B850M Pro-A WiFi Micro ATX Motherboard
Designed for stability, durability, and efficiency, the ASRock B850M Pro-A WiFi Micro ATX motherboard is the ideal choice for daily computing needs, supporting AMD Ryzen 9000, 8000, and 7000 series processors. Featuring an 8+2+1 power phase design with Dr.MOS, this board ensures consistent power delivery for reliable performance in gaming, productivity, and multitasking. Dual-channel DDR5 memory support up to 8000+ MHz (OC) with a 256GB capacity provides exceptional speed, while the PCIe 5.0 x16 slot and Blazing M.2 Gen5x4 socket deliver future-proof connectivity for high-performance GPUs and NVMe SSDs, making it perfect for users seeking a robust and efficient platform.
The B850M Pro-A WiFi excels with its streamlined aesthetic and user-friendly features. Ultrafast connectivity is provided by Wi-Fi 6E and 2.5G LAN, ensuring low-latency networking for seamless online experiences. The Realtek ALC897 7.1 CH HD audio delivers clear, immersive sound, and ASRock Polychrome SYNC enables customizable RGB lighting to enhance your build’s look. With tools like BIOS Flashback and ASRock Auto Driver Installer for easy setup, plus comprehensive RAID support and a versatile USB configuration including USB 3.2 Gen2 Type-C, this motherboard offers dependable performance and modern functionality in a compact Micro ATX form factor, tailored for everyday users and PC builders.
Specification | Details |
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CPU | Supports AMD Socket AM5 Ryzen 9000, 8000, and 7000 Series Processors The availability of expansion slots may vary by CPU. Refer to PCIe/M.2 Bandwidth Table for details. |
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) Max. capacity: 256GB Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules |
BIOS | 256Mb 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) |
LAN | 2.5 Gigabit LAN 10/100/1000/2500 Mb/s 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 |
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 Bluetooth 5.2 Supports MU-MIMO Wi-Fi 6E supported by Windows 11 only. No driver for Windows 10. 6GHz band availability depends on country regulations. 6GHz compatible router required. |
Slots | CPU: 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode 1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode Chipset: 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module 15μ Gold Contact in VGA PCIe Slot (PCIE1) PCIE1 runs at Gen5x16 with 9000 and 7000 series, Gen4x8 with 8000 (Phoenix 1), Gen4x4 with 8000 (Phoenix 2) processors If M2_3 is occupied, PCIE2 will be disabled Supports NVMe SSD as boot disks |
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_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode Chipset: 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode 4 x SATA3 6.0 Gb/s Connectors Supports NVMe SSD as boot disks M2_1 is first priority for M.2 installation M2_1 runs at Gen5x4 with 9000 and 7000 series, Gen4x4 with 8000 (Phoenix 1), Gen4x2 with 8000 (Phoenix 2) processors If M2_3 is occupied, PCIE2 will be disabled |
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 RAID 10 requires additional M.2 NVMe expansion cards |
USB | CPU: 1 x USB 3.2 Gen2 Type-C (Rear) 1 x USB 3.2 Gen2 Type-A (Rear) Chipset: 1 x USB 3.2 Gen1 Type-C (Front) 6 x USB 3.2 Gen1 Type-A (2 Rear, 4 Front) 8 x USB 2.0 (4 Rear, 4 Front) All USB ports support ESD Protection |
Connector | 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 Fan Connectors (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 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) 2 x USB 3.2 Gen1 Headers (Support 4 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 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) 1 x USB 3.2 Gen2 Type-C Port 2 x USB 3.2 Gen1 Ports 4 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 and UEFI | Software: 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 |
Accessories | 1 x I/O Shield 2 x SATA Data Cables 2 x ASRock WiFi 2.4/5/6 GHz Antennas |
Form Factor | Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm |
OS | Microsoft Windows 10 64-bit / 11 64-bit |
Certifications | FCC, CE ErP/EuP ready (ErP/EuP ready power supply is required) |
Unique Features | Superb Productivity: PCIe Gen5 (Graphics, M.2), Dual Channel DDR5 Rock-Solid Durability: 8+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC 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 |
Availability | This model may not be sold worldwide. Please contact your local dealer for the availability of this model in your region. |
Additional information
Weight | 1.5 kg |
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Dimensions | 26 × 25 × 10 cm |
Brand | ASROCK |
Socket | AM5 CPU |
Desktop RAM | DDR5 |
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