SKU: PRO B850M-A WIFI
Availability: In Stock
Brand: MSI
Category: Motherboards
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The MSI PRO B850M-A WIFI is a high-performance micro-ATX motherboard designed for AMD Ryzen™ 7000/8000/9000 Series desktop processors using the AMD Socket AM5 platform. Built on the AMD B850 chipset, it offers robust power delivery with an 8+2+1 direct phase design and dual 8+4-pin CPU power connectors, ensuring stable and efficient operation under heavy workloads.
Equipped with 4 DDR5 UDIMM slots, it supports up to 256GB of DDR5 RAM with speeds surpassing 8200 MT/s (overclocked) and official AMD EXPO profile compatibility for easy memory tuning. Expansion options are extensive, featuring the cutting-edge PCIe 5.0 x16 slot for the latest GPUs, complemented by PCIe 4.0 and PCIe 3.0 slots. For storage, it provides three M.2 slots, including a Lightning Gen 5 x4 M.2 slot for blazing-fast NVMe SSDs, plus four SATA 6Gbps ports.
Connectivity is future-proof with integrated Wi-Fi 7 and 5G LAN for ultra-fast and reliable networking. The rear I/O delivers ample options including HDMI 2.1 (supporting 4K@60Hz), DisplayPort 1.4 (dependent on CPU), multiple USB 10Gbps Type-A and Type-C ports, and premium 7.1-channel audio with Audio Boost technology.
Thermal management is enhanced by MSI’s extended heatsink design, MOSFET thermal pads rated at 7W/mK, and multiple fan control options supported by Frozr AI Cooling technology. Installation is simplified with MSI’s EZ series features such as EZ M.2 Shield Frozr II for SSD cooling, EZ PCIe Clip II for easy GPU installation, and pre-installed I/O shielding for EMI protection.
Ideal for professional and productivity builds, the PRO B850M-A WIFI balances cutting-edge technology with robust stability, delivering a reliable foundation that supports overclocking, advanced connectivity, and comprehensive thermal solutions.
| Manufacturer | MSI |
| Pre-installed I/O Shield | Yes |
| Thermal Features | Extended heatsink design,MOSFET thermal pads (7W/mK),EZ M.2 Shield Frozr II |
| Power Connectors | 8+4-pin CPU power connectors |
| Display Outputs | 1 x HDMI 2.1,1 x DisplayPort 1.4 (CPU dependent) |
| USB Ports | 6 x USB 10Gbps (3 Type-A + 3 Type-C),5 x USB 5Gbps Type-A,4 x USB 2.0 |
| Wi-Fi/Bluetooth | Wi-Fi 7,Bluetooth 5.4 |
| Expansion Slots | 1 x PCIe 5.0 x16,1 x PCIe 4.0 x4,1 x PCIe 3.0 x1 |
| Storage Interfaces | 3 x M.2 (1x Gen5 x4,1x Gen4 x4,1x Gen3 x4),4 x SATA 6Gbps |
| Memory Features | Channel,AMD EXPO support |
| Supported Memory Speeds | DDR5 4800 to 8200+ MT\/s (OC) |
| Memory Slots | 4 x DDR5 UDIMM |
| Maximum RAM | 256GB |
| Audio | 8-Channel (7.1) HD Audio with Audio Boost |
| Form Factor | Micro ATX |
| CPU Socket | AM5 |
| Supported CPUs | AMD Ryzen 9000 \/ 8000 \/ 7000 Series |
| Bluetooth | Bluetooth 5.4 |
| wi_fi | Wi-Fi 7 |
| Memory Channels | Channel |
| battery_freeze_protection | Extended heatsink design,MOSFET thermal pads (7W/mK),EZ M.2 Shield Frozr II |
| LAN | Realtek 8126 5G LAN |
| Power Connectors | 8+4-pin CPU power connectors |
| Display Outputs | 1 x HDMI 2.1, 1 x DisplayPort 1.4 |
| Memory Slots | 4 |
| memory_type | DDR5 |
| Form Factor | Micro ATX |
| CPU Socket | AM5 |
| CPU Support | AMD Ryzen 9000,8000,7000 Series |
| Chipset | AMD B850 |
| Model | PRO B850M-A WIFI |
| SATA Ports | 4 |
| M.2 Slots | 3 |
| max_memory_gb | 256 |
| Memory Speed (MHz) | 8200 |
| PCIe Slots | 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4, 1 x PCIe 3.0 x1 |
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