MSI PRO B850M-A WIFI AM5 mATX Motherboard
- Stock: In Stock
- Brand: MSI
- Model: PRO B850M-A WIFI
Specification
| Motherboard Basic Info | |
| BIOS | Flash BIOS Button |
| Motherboard Basic Information | |
| Supported CPU | Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
| Chipset | AMD B850 |
| Expansion Slots | |
| M.2 Socket | 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices M2_1 slot Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors) M2_2 slot Supports up to PCIe 4.0 x4 Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions. |
| Expansion Slots | |
| PCI | 2x PCI-E x16 slot 1x PCI-E x1 slot PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset) PCI_E1 slot Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors) Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors) Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor) |
| Memory Specifications | |
| Type | DDR5 |
| Motherboard Memory Info | |
| Supported Memory | Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Processors max. overclocking frequency: 1DPC 1R Max speed up to 8200+ MT/s 1DPC 2R Max speed up to 6400+ MT/s 2DPC 1R Max speed up to 6400+ MT/s 2DPC 2R Max speed up to 6000+ MT/s Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only* * CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility. The DIMM slots on this motherboard only have single-sided latches. |
| Maximum Memory | 256GB |
| Motherboard Graphics Info | |
| Graphics | 1x HDMI Support HDMITM 2.1, maximum resolution of 4K 60Hz 1x DisplayPort Support DisplayPort 1.4, maximum resolution of 4K 60Hz *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Connector & Ports (MB) | |
| USB (s) | 4x USB 2.0 (Front) 3x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 3x USB 10Gbps Type A (Rear) 2x USB 10Gbps Type C (Rear) 1x USB 10Gbps Type C (Front) |
| Internal I/O Ports | 1x Power Connector(ATX_PWR) 2x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 3x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 1x Tuning Controller connector(JDASH) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports |
| Supported Storage | 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G M2_1 slot Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors) M2_2 slot Supports up to PCIe 4.0 x4 Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions. |
| Warranty Information | |
| Warranty | 3 Years |
Description
MSI PRO B850M-A WIFI AM5 mATX Motherboard
The MSI PRO B850M-A WIFI AM5 mATX Motherboard is a reliable, professional-grade motherboard designed for office PCs, workstations, and productivity-focused builds. Built on the AMD B850 chipset, it supports the latest AMD Ryzen™ 7000 series processors for the AM5 socket, delivering stable performance, efficient multitasking, and future-ready upgrades.
As part of MSI’s PRO Series, the B850M-A WIFI emphasizes durability and consistent performance. It features robust power delivery, premium components, and DDR5 memory support for faster speeds, higher bandwidth, and improved system responsiveness.
The motherboard includes PCIe 4.0 slots for high-speed graphics cards and NVMe SSDs, while M.2 slots with Shield Frozr ensure optimal storage performance and thermal protection. Built-in Wi-Fi 6E, 2.5G LAN, and multiple USB ports provide reliable networking and fast data transfers. MSI-exclusive technologies such as Core Boost, Memory Boost, and EZ Debug LED optimize system performance and simplify setup.
With a micro-ATX form factor, modern connectivity, and PRO Series reliability, the MSI PRO B850M-A WIFI AM5 mATX Motherboard is perfect for building efficient, stable, and future-ready AMD systems.
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