MSI PRO B850M-A WIFI PZ AM5 Motherboard
MSI PRO B850M-A WIFI PZ AM5 Motherboard
SKU:MBM-PROB850MAWIFIPZ
The MSI PRO B850M-A WIFI PZ is a micro-ATX AM5 motherboard designed for AMD Ryzen 9000/8000/7000 series builds. Featuring PCIe 5.0 support, Wi-Fi 7, 5G LAN, and innovative back-connect design, it delivers premium connectivity and cable management efficiency for modern gaming and workstation systems.
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Product Information
| Brand | MSI |
|---|---|
| Category | Motherboards |
| SKU | MBM-PROB850MAWIFIPZ |
| Availability | In Stock |
Overview
- The MSI PRO B850M-A WIFI PZ is a feature-rich micro-ATX motherboard built for the AMD AM5 socket, supporting Ryzen 9000, 8000, and 7000 series processors. Its innovative back-connect design routes I/O ports to the rear of the case, dramatically simplifying cable management while maintaining a clean aesthetic—ideal for white-themed or showcase builds.
With PCIe 5.0 support on the primary M.2 and GPU slots, this board is ready for next-generation storage devices and graphics cards. The combination of Wi-Fi 7 (offering up to 2.9Gbps throughput across 2.4GHz, 5GHz, and 6GHz bands) and 5G LAN ensures users have multiple high-speed connectivity options for both wireless and wired scenarios.
Memory support extends to 256GB of DDR5, with aggressive overclocking profiles for Ryzen 9000 series (up to 8200+ MT/s in single-channel configurations). Onboard Realtek ALC897 audio, comprehensive USB 2.0/5Gbps/10Gbps connectivity, and dual RAID support for M.2 NVMe and SATA drives round out a capable platform for gaming, content creation, and professional workloads.
Specifications
| Chipset | AMD B850 |
|---|---|
| CPU Socket | AM5 |
| Supported Processors | AMD Ryzen 9000/8000/7000 series |
| Memory Type | DDR5 UDIMM |
| Memory Slots | 4x |
| Maximum Memory Capacity | 256GB |
| Memory Speed Support | DDR5 8200-5600 (OC) MT/s / 5600-4800 (JEDEC) MT/s |
| Dual-Channel Support | Yes |
| Form Factor | Micro-ATX (243.84mm x 243.84mm) |
| PCIe Slot Configuration | 4x PCI-E x16 slots (PCI_E1: Gen5 x16, PCI_E2: Gen3 x1, PCI_E3: Gen3 x1, PCI_E4: Gen4 x4) |
| M.2 Slots | 2x |
| M.2_1 Interface | PCIe 5.0 x4 (CPU-connected) |
| M.2_2 Interface | PCIe 4.0 x4 (CPU-connected) |
| M.2 Supported Form Factors | 2280, 2260 |
| SATA Ports | 4x SATA 6G |
| RAID Support | RAID 0/1 (NVMe), RAID 0/1/10 (SATA) |
| Audio Codec | Realtek ALC897 |
| Audio Channels | 7.1-Channel High Definition |
| LAN | Realtek 8126 5G LAN |
| Wireless LAN | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi Speed | Up to 2.9Gbps (2.4GHz/5GHz/6GHz, 160MHz) |
| Wi-Fi Features | MU-MIMO TX/RX, MLO, 4KQAM |
| Bluetooth | Bluetooth 5.4 |
| Wi-Fi/BT Module Slot | M.2 (Key-E) |
| HDMI Output | 1x HDMI 2.1 (up to 4K 60Hz) |
| DisplayPort Output | 1x DisplayPort 1.4 (up to 4K 60Hz) |
| USB 2.0 Headers | 4x (Front connector) |
| USB 5Gbps Type-A Ports | 3x Rear, 2x Front |
| USB 10Gbps Type-A Ports | 3x Rear |
| USB 10Gbps Type-C Ports | 2x Rear, 1x Front |
| Debug LEDs | 4x EZ Debug LED |
| Memory Detection LED | 1x EZ Memory Detection LED |
| Operating System Support | Windows 11 64-bit |
| Back-Connect Design | Yes |
| Warranty | 12 months |
Key Features
Ideal For
FAQs
What AMD Ryzen processors are compatible with this motherboard?
The MSI PRO B850M-A WIFI PZ supports AMD Ryzen 9000, 8000, and 7000 series desktop processors in the AM5 socket. PCIe generation support varies by processor series—Ryzen 9000/7000 achieve full PCIe 5.0 on slot 1, while Ryzen 8000 series support PCIe 4.0.
Can I use this motherboard in a compact or small form factor case?
Yes. The micro-ATX form factor (243.84mm x 243.84mm) is designed for compact builds. The back-connect design is particularly beneficial in small cases as it routes all I/O to the rear, reducing cable clutter in tight spaces.
What is the maximum DDR5 memory this board supports?
The board supports up to 256GB of DDR5 memory across 4 DIMM slots. Memory speed support ranges from DDR5 5600-4800 MT/s (JEDEC) to 8200+ MT/s with overclocking on Ryzen 9000 series in single-channel configurations.
Does this board support NVMe RAID?
Yes. The MSI PRO B850M-A WIFI PZ supports RAID 0 and RAID 1 for M.2 NVMe storage devices, as well as RAID 0, RAID 1, and RAID 10 for SATA drives.
What are the connectivity options for wireless and wired networks?
The board includes Wi-Fi 7 (up to 2.9Gbps) supporting 2.4GHz, 5GHz, and 6GHz bands, plus Bluetooth 5.4. For wired, it features a Realtek 8126 5G LAN port for high-speed Ethernet connectivity.
What is the back-connect design and why is it useful?
Back-connect routes all I/O ports (USB, LAN, audio, etc.) to the rear of the case instead of requiring front panel connectors. This simplifies cable management, reduces internal clutter, and creates a cleaner, more professional appearance—especially valuable in showcase or white-themed builds.
What storage connectivity options does this motherboard provide?
The board offers 2x M.2 NVMe slots (PCIe 5.0 and PCIe 4.0) and 4x SATA 6G ports, giving you flexibility to combine fast NVMe storage with traditional SATA drives or SSDs.
