MSI PRO B850M-A WIFI PZ

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MSI PRO B850M-A WIFI PZ

2025 PRO Wi-Fi M.2 cooling no backlight 5 Gbps

Towards:home / office

Form Factor:micro-ATX

Socket:AM5

Chipset:AMD B850

BIOS:Ami

RAM slots:DDR5 4 sl

RAM form factor:DIMM

RAM clock:8200 MHz

Sound (channels):7.1

Connectors:HDMI, M.2

Additional connectors:DisplayPort

Power connector:24-pin

Processor power:8+4-pin

All specifications

Specifications PRO B850M-A WIFI PZ

Main
Features	for home/office
Socket	AM5
Form factor	micro-ATX
Power phases	11 / 8+2+1 /
Printed circuit board	6-layer
VRM heatsink
Size (HxW)	244x244 mm


Chipset
Chipset	AMD B850
BIOS	Ami
UEFI BIOS


RAM
DDR5	4 slot(s)
Memory module	DIMM
Operation mode	2 channel
Max. clock frequency	8200 MHz
Max. memory	256 GB
EXPO support


Drive interface
SATA 3 (6Gbps)	4
M.2 connector	2
M.2	2xPCIe 4x
M.2 version	1x5.0, 1x4.0
M.2 SSD cooling
Integrated RAID controller


Expansion slots
PCIe 16x slots	4 pcs
PCIe support	5.0
Steel PCIe connectors


Internal connections
TPM connector
USB-A 2.0	2 pcs
USB-A 5Gbps	1 pcs
USB-C 10Gbps	1 psc
ARGB LED strip	3
RGB LED strip	1

Video outputs
HDMI output
HDMI version	v2.1
DisplayPort
DisplayPort version	v.1.4


Integrated audio
Audiochip	Realtek ALC897
Sound (channels)	7.1


Network interfaces
Wi-Fi	Wi-Fi 7 (802.11be)
Bluetooth	Bluetooth v5.4
LAN (RJ-45)	5 Gbps
LAN ports	1
LAN controller	Realtek 8126


External connections
USB-A 5Gbps	3 pcs
USB-A 10Gbps	3 pcs
USB-C 10Gbps	2 pcs
BIOS FlashBack
Clear CMOS


Power connectors
Main power socket	24-pin
CPU power	8+4-pin / + PCIE_PWR 8pin /
Fan power connectors	5
CPU Fan 4-pin	1
CPU/Water Pump Fan 4-pin	1
Chassis/Water Pump Fan 4-pin	3
Reverse connection


Official Website	msi.com
Added to E-Catalog	December 2025

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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	MSI MSI PRO B850M-A WIFI PZ (Socket AM5) DDR5 Micro-ATX Motherboard Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)... moreUltra Performance: Direct 8+2+1 Power System (60A SPS), 8+4-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made with 2oz thickened copper and server-grade level material Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads, and M.2 Shield Frozr — built for high performance and continuous operation EZ DIY: EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna for simplified installation and upgrades Lightning Fast Gaming Experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2 for next-gen speed 5G LAN with Wi-Fi 7 Solution: The latest high-speed networking for professional and multimedia use, providing secure and stable data transmission Audio Boost: Studio-grade sound quality for the most immersive gaming experience Motherboard Specifications ChipsetAMD B850 CPU SupportAMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors (Socket AM5) Memory 4x DDR5 UDIMM, Max 256GB DDR5 8200 - 5600 (OC) / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Overclocking: • 1DPC 1R: up to 8200+ MT/s • 1DPC 2R: up to 6400 MT/s • 2DPC 1R: up to 6400 MT/s • 2DPC 2R: up to 6000 MT/s Supports AMD EXPO™, Dual Channel, Non-ECC, Unbuffered memory, CUDIMM (Clock Driver bypass only) CUDIMM and boot frequency may vary by CPU series; BIOS updates may improve compatibility. Onboard Graphics 1x HDMI™ 2.1 (max 4K 60 Hz) 1x DisplayPort 1.4 (max 4K 60 Hz) Available only on CPUs with integrated graphics. Expansion Slots 4x PCI-E x16 slots PCI_E1 – PCIe 5.0 x16 (from CPU) PCI_E2 – PCIe 3.0 x1 (from Chipset) PCI_E3 – PCIe 3.0 x1 (from Chipset) PCI_E4 – PCIe 4.0 x4 (from Chipset) PCI_E1 Slot Details: • PCIe 5.0 x16 (Ryzen 9000/7000) • PCIe 4.0 x8 (Ryzen 8700/8600/8400) • PCIe 4.0 x4 (Ryzen 8500/8300) AudioRealtek® ALC897 – 7.1-Channel HD Audio Storage 2x M.2 + 4x SATA 6G M.2_1 (CPU): PCIe 5.0 x4 (2280/2260) M.2_2 (CPU): PCIe 4.0 x4 (2280/2260) For Ryzen 8500/8300: M.2_2 runs at PCIe 4.0 x2 Refer to manual for M.2 heatsink restrictions. RAID Support NVMe: RAID 0/1 SATA: RAID 0/1/10 USB Ports Rear: 3x USB 5 Gbps Type-A, 3x USB 10 Gbps Type-A, 2x USB 10 Gbps Type-C Front: 4x USB 2.0, 2x USB 5 Gbps Type-A, 1x USB 10 Gbps Type-C LANRealtek® 8126 5G LAN Wireless Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) – 2.4 GHz / 5 GHz / 6 GHz (160 MHz) up to 2.9 Gbps Bluetooth® 5.4 (MLO, 4KQAM) 6 GHz band availability depends on region. Internal I/O 1x 24-pin ATX Power 2x CPU Power, 1x PCIe 8-pin Overclockers.co.uk Delivery: to United Kingdom Report*	£189.95 Buy in shop

	MSI PRO B850M-A WIFI PZ DDR5 Micro ATX Ryzen AI Motherboard - Socket AM5 The MSI PRO B850M-A WIFI PZ is a high-performance Micro-ATX AM5 motherboard built for AMD Ryzen 9000, 8000, and 7000 Series p... morerocessors. Featuring DDR5 memory support up to 8200+ MT/s, PCIe 5.0 connectivity, WiFi 7, 5G LAN, and Project Zero back-connect design, it delivers clean cable management and next-generation gaming performance. Awd-it.co.uk Delivery: to United Kingdom Report	£189.99 Buy in shop

	MSI PRO B850M-A WiFi PZ AM5 DDR5 PCIe 5.0 Reverse Connector microATX M Scan.co.uk Delivery: to United Kingdom Report	£189.98 Buy in shop

	MSI PRO B850M-A WIFI PZ AMD B850 Micro ATX Socket AM5 Motherboard Business Elegance The MSI PRO B850M-P WIFI PZ motherboard, with its intuitive reverse-connector design and adaptable silver... morecolour scheme that blends in perfectly with clean, modern system designs, offers a sophisticated solution for PC builders and tech enthusiasts. Engineered with cutting-edge MSI technologies, this motherboard boasts advanced features including true Wi-Fi 7 with intuitive EZ Antenna, lightning-fast 5G LAN, PCIe 5.0 M.2 slot with EZ M.2 Shield Frozr II for optimal SSD cooling, and supplemental PCIe Power. Specifically designed to support the latest AMD Ryzen™ 9000 series processors, the PRO B850M-P WIFI represents a perfect fusion of aesthetic elegance, robust networking capabilities, and high-performance computing potential. MSI is ready for the latest generation. Reverse Connector Layout The PRO B850M-A WIFI PZ features a back-connect design, which relocates the motherboard power, CPU power, fan pins, SATA, and other interfaces to the back of the PCB. This allows for simpler cable management, providing a cleaner and more aesthetically pleasing appearance too. 8+2+1 DRPS POWER DESIGN Unlock and maintain peak performance with the flagship VRM design featuring 8+2+1 digital power phases. Equipped with dual power connectors and a 60A Smart Power Stage, this board is fully prepared to handle the demands of high-end processors. Optimised PCB The PCB design has been optimised to enhance bandwidth and accelerate transfer speeds, ensuring reliable circuit transmission. Unleash World-Class DDR5 Performance Experience a significant leap in DDR performance with the latest DDR5 memory. Paired with a dedicated SMT welding process and MSI Memory Boost technology, this motherboard is primed to deliver world-class memory performance. Extended Heatsink The Extended Heatsink increases the surface area for heat dissipation, allowing even high-end processors to operate at full speed. M.2 Shield Frozr A strengthened M.2 solution helps keep your M.2 slot safe while facilitating the best possible performance. 7W/mK Thermal Pad High-quality 7W/mK MOSFET thermal pads and additional choke pads ensure stable performance when at full speed. Chipset Heatsink Reduces dust coming in and noise coming out while helping spread out heat and releasing it safely. DIY 2.0 Connect and synchronise with MSI coolers and cases using strategically placed pin-header locations, including a dedicated pump-fan header. Dual M.2 Slots MSI utilises high-speed M.2 slots with PCIe Gen 5 and 4 support, enabling faster load times and efficient data transfers for SSDs. WiFi 7 The Wi-Fi 7 provides maximum speeds to a whopping 5.8 Gbps! 2.4 times faster than previous Wi-Fi 6/6E standards, Wi-Fi 7 is set to be the wireless standard of the future. 5 GbE LAN Step past the usual 1G bottleneck and let your motherboard breathe with serious bandwidth. 5-Gigabit LAN drives rapid file transfers, sharper Box.co.uk Delivery: to United Kingdom Report	£189.94 Buy in shop

	Msi 904281815 PRO B850M-A WIFI PZ offers a sleek design with a harmonious silver-white color scheme that perfectly matches white PC builds.... moreIts innovative back-connect design reduces the complexity of cable management, resulting in an aesthetically pleasing appearance for the system.It is engineered with many exclusive features of MSI, Wi-Fi 7 with EZ Antenna, 5G LAN, PCIe 5.0 M.2, and Supplemental PCIe Power, ready for the AMD Ryzen™ 9000 series processors.The PRO Series is tailored to professionals from all walks of life.The lineup features impressive performance and high quality, while aiming to provide users incredible experience.Users who care about productivity and efficiency can definitely count on the MSI PRO Series to assist you with multitasking and increasing efficiency.MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI.Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.Back-Connect Design The PRO B850M-A WIFI PZ features a back-connect design, which relocates the motherboard power, CPU power, fan pins, SATA, and other interfaces to the back of the motherboard.This allows for simpler cable management, while also providing a cleaner and more aesthetically pleasing appearance for the system.One Finger for EZ GPU Installation The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger.Due to this exquisite design, users can uninstall the graphics cards effortlessly, even in the cramped case spaces.The Pre-Installed I/O Shield offers a streamlined and hassle-free installation experience by eliminating the need to manually fit the I/O shield during motherboard setup.With its built-in design, it ensures proper alignment and a secure fit, providing both protection and convenience while enhancing the overall durability of your build.MSI EZ Antenna makes the process effortless by simply attaching fasteners to the motherboard without rotation.Onboard LEDs will indicate the source of the problem so you know exactly where to look to get up and running again.This LED lights up when it detects faulty memory in slots, eliminating guesswork from troubleshooting.DIRECT 8+2+1 POWER DESIGN Unleash and sustain the maximum performance with a VRM design built with a total of 8+2+1 digital power phases.With 8+4-pin power connectors, PRO B850M-A WIFI PZ is ready for the challenge of heavy-loading tasks.OPTIMIZED PCB SOLUTION The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.DDR5 MEMORY SUPPORT WITH HIGH PERFORMANCE A huge step of DDR performance enhancement with the latest DDR5 memory.Combines with dedicated SMT welding process and MSI Memory Boost technology, PRO B850M-A WIFI PZ is ready to deliver the world class memory Tradeinn.com Delivery: in United Kingdom Report	£189.99 Buy in shop