MSI PRO B850M-A WIFI AM5 mATX Motherboard

MSI PRO B850M-A WIFI AM5 mATX Motherboard

Brand: MSI (AMD)
SKU: PRO B850M-A WIFI
Availability: In stock

Key Features

Graphics Output: 1x HDMI, 1x DisplayPort
Supported RAM: 4x DDR5 UDIMM, Up to 8200 (OC) Mhz
Supported CPU: AMD Ryzen 9000/8000/7000 Series for Socket AM5
Features: 3x M.2 Slot, Realtek 8126VB 5G LAN, Wi-Fi 7, Bluetooth 5.4

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Description

Specification

Basic Information

Supported CPU Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
Chipset AMD B850
BIOS Flash BIOS Button
Form Factor mATX
243.84mmx243.84mm
Audio Realtek ALC897
7.1-Channel High Definition Audio

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)
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.

 

Memory

Type DDR5
Slots 4x UDIMM
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

 

Graphics

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

HDMI 1x HDMI
Support HDMITM 2.1, maximum resolution of 4K 60Hz
Display Port (s) 1x DisplayPort
Support DisplayPort 1.4, maximum resolution of 4K 60Hz
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)
LAN Port (s) Realtek 8126VB 5G LAN
Wireless Communication module Wi-Fi 7
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/5GHz/6GHz (160MHz) up to 2.9Gbps
Supports 802.11 a/b/g/n/ac/ax/be
Supports Bluetooth 5.4, MLO, 4KQAM
* 6GHz band support may depend on every country’s regulations, and Wi-Fi 7 will be ready in Windows 11 version 24H2.
** The Bluetooth version may be updated; please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
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.
RAID Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
Audio 1x Front Audio (JAUD)
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
TPM (Trusted Platform Module ) 1x TPM pin header(Support TPM 2.0)

 

Others

Special Features 4x EZ Debug LED
1x EZ Memory Detection LED

Warranty

Warranty 3 Years 

Description

MSI PRO B850M-A WIFI AM5 mATX Motherboard

The MSI PRO B850M-A WIFI AM5 mATX Motherboard is a powerful and feature-packed solution designed to support AMD Ryzen 9000, 8000, and 7000 desktop processors. Built for exceptional stability, performance, and future-ready connectivity, this motherboard utilizes the AMD B850 chipset to deliver high-speed performance within an efficient micro-ATX form factor (243.84mm x 243.84mm).

For superior memory performance, the MSI PRO B850M-A WIFI features 4x DDR5 UDIMM slots supporting up to 256GB of high-speed RAM. It offers DDR5 speeds ranging from 4800 MT/s (JEDEC) up to an impressive 8200+ MT/s (OC) and supports AMD EXPO technology, dual-channel architecture, and clock driver bypass mode. Whether you're running demanding workloads or optimizing for speed, this motherboard ensures smooth and responsive system performance.

In terms of display and expansion, it comes with 1x HDMI 2.1 and 1x DisplayPort 1.4, both supporting up to 4K resolution at 60Hz — perfect for users utilizing APUs with integrated graphics. Expansion options include 3 PCIe slots: PCIe 5.0 x16 (for Ryzen 9000/7000), PCIe 4.0 x4, and PCIe 3.0 x1, giving users flexibility for GPUs and other PCIe devices.

For high-speed storage, the PRO B850M-A WIFI includes 2x M.2 slots with advanced PCIe support. The M2_1 slot supports PCIe 5.0 x4 with Ryzen 9000/7000 and PCIe 4.0 x4 with Ryzen 8000, while the M2_2 slot supports PCIe 4.0 x4 or x2, depending on CPU compatibility. Additionally, 4x SATA 6Gb/s ports offer traditional SSD/HDD support with RAID 0, 1, and 10 configurations. NVMe drives in the M.2 slots also support RAID 0 and 1 for greater speed and redundancy.

On the networking side, this motherboard is equipped with Realtek 8126VB 5G LAN for ultra-fast wired connectivity and a built-in Wi-Fi 7 module supporting dual-band (2.4GHz/5GHz/6GHz), MU-MIMO, and Bluetooth 5.4. This ensures seamless online gaming, streaming, and wireless device connectivity, fully compatible with Windows 11 24H2 for Wi-Fi 7 and Bluetooth 5.4 readiness.

Audio is handled by the Realtek ALC897 7.1-channel high-definition codec, delivering rich and immersive sound quality for both media and gaming. The board also includes multiple internal headers for USB (including USB 10Gbps Type-C and Type-A), addressable RGB lighting, TPM 2.0 support, and EZ Debug LEDs for quick diagnostics and convenient troubleshooting.

With durable build quality, modern connectivity, and next-generation performance, the MSI PRO B850M-A WIFI AM5 mATX Motherboard is an ideal choice for users seeking a reliable, high-performance platform built on AMD’s latest technologies.

Buy the MSI PRO B850M-A WIFI AM5 mATX Motherboard from Tech Buy BD
In Bangladesh, you can get the original MSI PRO B850M-A WIFI AM5 mATX Motherboard from Tech Buy BD. We have a large collection of the latest MSI motherboards available for your desktop PC. Order online or visit your nearest Tech Buy BD shop to get yours at the best price. The MSI PRO B850M-A WIFI AM5 mATX Motherboard comes with a 3-year warranty.

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