MSI PRO B850M-A WiFi AM5 Micro-ATX DDR5 128 GB Motherboard
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Description
The MSI PRO B850M-A WiFi is a Micro-ATX motherboard for AM5. It supports DDR5 memory up to 8600 MT/s (OC).
- ULTRA POWER - SUPPORTS THE LATEST RYZEN 9000 PROCESSORS IN HIGH PERFORMANCE - The PRO B850M-A WIFI employs a Direct 8 phases CPU power (60A, SPS) VRM for the AMD B850 chipset (AM5, Ryzen 9000 / 8000 / 7000) with Core Boost architecture
- FROZR GUARD - Excellent cooling features such as 7W/mK MOSFET thermal pads, extra choke thermal pads and an Extended Heatsink; Includes chipset heatsink, EZ M.2 Shield Frozr II, a Combo-fan (for pump & system) header (3A)
- DDR5 MEMORY, PCIe 5.0 x16 SLOTS - 4 x DDR5 DIMM SMT slots enable extreme memory overclocking speeds (1DPC 1R, 8200+ MT/s OC); 1 x PCIe 5.0 x16 SMT slot (128GB/s) with Steel Armor supports cutting-edge graphics cards
- DOUBLE M.2 CONNECTORS - Storage options include 1 x M.2 Gen5 x4 128Gbps slot and 1 x M.2 Gen4 x4 64Gbps slot; Features EZ M.2 Shield Frozr II to prevent thermal throttling and EZ M.2 Clip II for EZ DIY experience
- HIGH-SPEED CONNECTIVITY - Network hardware includes a latest Wi-Fi 7 module with Bluetooth 5.4 & 5Gbps LAN; Rear ports include USB 10Gbps Type-C and 7.1 HD Audio with Audio Boost
Specifications
| Manufacturer | MSI |
|---|---|
| Model Number | PRO B850M-A WIFI |
| Launch Date | June 2025 |
| CPU Socket | AM5 |
| Chipset Model | Intel B850 |
| Board Size / Form Factor | Micro-ATX |
| Supported Memory Type | DDR5 |
| DIMM Slots | 4 |
| Maximum RAM Capacity | 128 GB |
| Valid DDR4 Speeds | DDR5-4800 / DDR5-6000 / DDR5-6400 / DDR5-8200 / DDR5-8600 (OC) |
| ECC Memory Support | No |
| Expansion Slots (PCIe) | 2 × PCIe x16, 1 × PCIe x1 |
| PCIe x16 (Qty) | 2 |
| PCIe x4 (Qty) | 0 |
| PCIe x1 (Qty) | 1 |
| M.2 Slot Count | 2 × M.2 |
| M.2 Device Compatibility | 2260 / 2280 - M Key, 2260 / 2280 - M Key |
| SATA III Ports | 0 × SATA 6Gbps |
| SATA Express Ports | 0 |
| Wired Networking (LAN) | |
| Onboard Wi-Fi | Yes |
| Wi-Fi Standard | 7 (802.11be) |
| Rear-Panel USB | USB 3.2 Gen2, USB 3.2 Gen1 |
| Internal USB 3.2 Gen 2x2 Headers | 0 |
| Internal USB 3.2 Gen 2 Headers | 1 |
| Internal USB 3.2 Gen 1 Headers | 1 |
| Internal USB 2.0 Headers | 0 |
| NVIDIA SLI | No |
| AMD CrossFire | No |
| RAID Capability | No |
| Back-Connect Layout | No |
| Manufacturer Part Number (MPN) | PRO B850M-A WIFI |
| SKU Code | PRO B850M-A WIFI |
| GTIN / EAN | 824142425459 |
Price History (last 12 months)
Plots available price points within the past 12 months.
