PROB850M-PWIFI

Overview

MSI PRO B850M-P WIFI AM5 mATX Motherboard (PROB850M-PWIFI)
Experience unwavering system stability and blistering speeds with advanced cooling and PCIe 5.0, perfect for the discerning South African gamer and professional.

Description

The MSI PRO B850M-P WIFI AM5 motherboard is built for high performance computing systems that demand stability, speed, and future ready connectivity. Designed for AMD Ryzen 7000, 8000, and 9000 series processors on the AM5 platform, it combines DDR5 memory support, PCIe 5.0 expansion, and advanced thermal engineering to support gaming rigs, creative workstations, and professional productivity systems. With integrated Wi-Fi 7, 5G LAN, and next generation storage options, it delivers fast data handling, responsive multitasking, and reliable network performance in demanding workloads.

Features

Platform and Compatibility
Built around the AM5 socket, this mATX motherboard supports AMD Ryzen 7000, 8000, and 9000 series desktop processors. The PROB850M-PWIFI (SKU: PROB850M-PWIFI) is engineered for modern PC builds that require strong upgrade paths and long term platform stability. It supports Windows 11 64-bit and is designed for compact yet powerful system configurations.

Power Delivery and System Stability
A direct 7+2+1 power design ensures consistent CPU performance under heavy workloads. Combined with Core Boost and Memory Boost technologies, the board enhances signal integrity and power efficiency for both processor and DDR5 memory performance. A 6-layer PCB with 2oz copper improves heat dissipation and electrical stability, supporting sustained high frequency operation without compromise.

Thermal Design and Cooling Efficiency
The board incorporates MSI Frozr Guard thermal solutions including extended heatsinks and MOSFET thermal pads rated at 7W/mK. Additional choke thermal pads and EZ M.2 Shield Frozr II help maintain optimal temperatures across critical components. This cooling structure reduces thermal throttling during gaming sessions, rendering tasks, and extended system loads.

Performance and Expansion Capabilities
PCIe 5.0 support on the primary x16 slot delivers maximum bandwidth for next generation graphics cards. Three M.2 slots support high speed NVMe storage, including PCIe 5.0 x4 capability for ultra fast load times. SATA 6G ports provide additional storage flexibility for larger capacity drives and hybrid storage setups.

Memory and Storage Architecture
Four DDR5 DIMM slots support up to 256GB of memory with speeds reaching 8200+ MT/s (OC). Dual channel architecture enhances multitasking efficiency and application responsiveness. Storage configuration includes:

• 3x M.2 slots with PCIe 5.0 and PCIe 4.0 support
• 4x SATA 6G ports for traditional storage devices
• RAID support for SATA and NVMe configurations including RAID 0, 1, 10, and RAID 5 (platform dependent)

Connectivity and Networking
Equipped with Wi-Fi 7, the motherboard supports multi-band wireless connectivity across 2.4GHz, 5GHz, and 6GHz bands with high throughput and low latency. A 5G LAN port using Realtek 8126VB ensures stable wired networking for gaming and professional environments. USB options include USB 10Gbps Type-C, multiple Type-A ports, and front panel high speed connectivity for modern peripherals.

Audio and Input Output Design
Integrated Realtek ALC897 codec provides 7.1 channel high definition audio for immersive sound reproduction in games and media. Display outputs include HDMI 2.1 and DisplayPort 1.4, both supporting up to 4K resolution at 60Hz when paired with compatible processors featuring integrated graphics.

Build Experience and Installation Features

MSI EZ DIY features simplify assembly and upgrades. EZ M.2 Clip II and EZ PCIe Clip II streamline installation of storage and graphics components, while EZ Antenna design improves wireless setup. Debug LEDs assist with troubleshooting during system assembly, reducing build complexity for users.

Technical Summary

• Chipset: Intel B850
• Socket: AM5
• Memory: 4x DDR5 DIMM, up to 256GB, 8200+ MT/s (OC)
• Expansion: 1x PCIe 5.0 x16, multiple PCIe 3.0 slots
• Storage: 3x M.2, 4x SATA 6G
• Networking: Wi-Fi 7, 5G LAN
• Audio: Realtek ALC897, 7.1 channel HD audio
• Form factor: mATX
• USB: USB 10Gbps Type-C, USB 10Gbps Type-A, USB 5Gbps and USB 2.0 support

Package Contents
Includes MSI PRO B850M-P WIFI AM5 motherboard, EZ Wi-Fi antenna, SATA cable, EZ M.2 Clip II tools, M.2 screw and standoff kits, and quick start documentation.

Specifications

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	PROB850M-PWIFI
Chipset	AMD B850
CPU	Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors
	Socket AM5
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB
	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 EXPO
	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.
Onboard Graphics	1x HDMI
	Support HDMI 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.
Slot	4x PCI-E x16 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 3.0 supports up to x1 (From Chipset)
	PCI_E4 Gen PCIe 3.0 supports up to x1 (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)
Audio	Realtek ALC897
	7.1-Channel High Definition Audio
Storage	3x 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
	M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280 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, RAID 1, and RAID 5 for M.2 NVMe storage devices
	*RAID 5 configuration is only supported by Ryzen 9000 series processors.
USB	4x USB 2.0 (Rear)
	4x USB 2.0 (Front)
	2x USB 5Gbps Type A (Rear)
	4x USB 5Gbps Type A (Front)
	1x USB 10Gbps Type A (Rear)
	1x USB 10Gbps Type C (Rear)
	1x USB 10Gbps Type C (Front)
LAN	Realtek 8126VB 5G LAN
Internal IO	1x Power Connector(ATX_PWR)
	1x 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
	4x USB 5Gbps Type A ports
	1x USB 10Gbps Type C ports
WIRELESS LAN & BLUETOOTH	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.
LED FEATURE	4x EZ Debug LED
	1x EZ Memory Detection LED
BACK PANEL PORTS	Clear CMOS Button
	DisplayPort
	USB 10Gbps Type-A
	USB 2.0
	5G LAN
	Wi-Fi / Bluetooth
	Audio connectors
	Flash BIOS Button
	HDMI
	USB 10Gbps Type-C
	USB 5Gbps Type-A
OPERATING SYSTEM	Support for Windows 11 64-bit
PCB Info	mATX
	243.84mmx243.84mm