ASRock B850M Pro-A WiFi AMD B850 AM5 DDR5 Micro-ATX Motherboard
ASRock B850M Pro-A WiFi AMD B850 AM5 DDR5 Micro-ATX Motherboard
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Description
Build a capable AMD Ryzen desktop with the ASRock B850M Pro-A WiFi, a Micro-ATX motherboard powered by the AMD B850 chipset.
Its AM5 socket supports Ryzen 9000, 8000 and 7000 Series processors, with four DDR5 slots for flexible memory upgrades.
PCIe 5.0 graphics support and a Gen5 Blazing M.2 slot provide high-speed expansion for compatible components.
Stay connected with integrated Wi-Fi 6E, Bluetooth 5.2, Realtek 2.5G LAN and rear USB Type-C.
An 8+2+1 phase Dr.MOS power design and BIOS Flashback round out this versatile foundation for gaming and productivity builds.
Key Features
- AM5 Ryzen Compatibility: Supports AMD Ryzen 9000, 8000 and 7000 Series processors, subject to CPU support and BIOS requirements.
- Expandable DDR5 Memory: Four dual-channel DIMM slots support up to 256GB and speeds up to 8000+ (OC), with AMD EXPO and Intel XMP support.
- Fast Graphics and Storage: Includes a PCIe 5.0 x16 slot, one Gen5 x4 Blazing M.2 slot, two Gen4 x4 Hyper M.2 slots and four SATA3 connectors.
- Wired and Wireless Connectivity: Integrated Wi-Fi 6E, Bluetooth 5.2 and Realtek 2.5G LAN offer flexible networking options, alongside HDMI and DisplayPort outputs.
- Practical Build Features: An 8+2+1 phase power design with Dr.MOS, BIOS Flashback, rear USB 3.2 Gen2 Type-C and front USB Type-C support simplify system setup and expansion.
Specifications
CPU compatibility and memory overclocking depend on the installed processor, BIOS and memory configuration. Display outputs require a processor with integrated graphics. The main PCIe slot runs at Gen5 x16 with Ryzen 9000/7000, Gen4 x8 with Ryzen 8000 Phoenix 1, or Gen4 x4 with Ryzen 8000 Phoenix 2. The primary M.2 slot runs at Gen5 x4, Gen4 x4 or Gen4 x2 respectively. Installing an SSD in M2_3 disables the PCIe 4.0 x4 slot. Front USB connections require compatible case ports. The Wi-Fi module requires Windows 11; 6GHz availability depends on regional regulations and requires a compatible router.
| Specification | Details |
|---|---|
| Brand | ASRock |
| Model | B850M Pro-A WiFi |
| Chipset | AMD B850 |
| CPU Socket | AMD AM5 |
| Supported Processors | AMD Ryzen 9000, 8000 and 7000 Series |
| Form Factor | Micro-ATX, 24.4 ร 24.4 cm |
| Power Design | 8+2+1 phase; Dr.MOS for VCore, SOC and MISC |
| Memory Slots | 4 ร DDR5 DIMM, dual-channel |
| Maximum Memory | 256GB |
| Memory Speed | Up to DDR5 8000+ (OC) |
| Memory Support | ECC/non-ECC unbuffered DDR5; Intel XMP and AMD EXPO profiles |
| Expansion Slots | 1 ร PCIe 5.0 x16; 1 ร PCIe 4.0 x4 |
| M.2 Storage | 1 ร Blazing M.2 PCIe Gen5 x4; 2 ร Hyper M.2 PCIe Gen4 x4 |
| SATA Storage | 4 ร SATA3 connectors |
| Wired Networking | Realtek 2.5G LAN |
| Wireless Networking | 802.11axe Wi-Fi 6E, 2ร2, MU-MIMO |
| Bluetooth | Bluetooth 5.2 |
| Display Outputs | 1 ร HDMI; 1 ร DisplayPort |
| Audio | Realtek ALC897, 7.1-channel HD audio |
| Rear USB | 1 ร USB 3.2 Gen2 Type-C; 1 ร USB 3.2 Gen2 Type-A; 2 ร USB 3.2 Gen1; 4 ร USB 2.0 |
| Front USB Support | 1 ร USB 3.2 Gen1 Type-C; 4 ร USB 3.2 Gen1; 4 ร USB 2.0 |
| BIOS Flashback | Supported |