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Article-No.:
275615
Manufacturer-No.:
7E78-001R
EAN/GTIN:
4711377384308
Technical specifications
General
Packaged Quantity
1
Processor
Installed Qty
0
Max Supported Qty
1
Mainboard
Form Factor
Micro ATX
Compatible Processors
Ryzen
Chipset Type
AMD B850
Supported RAM Technology
DDR5 SDRAM
Supported RAM Integrity Check
Non-ECC, On-die ECC
Supported RAM Speed
5600 MT/s, 4800 MT/s, 8200 MT/s (O.C.), 6400 MT/s (O.C.), 5600 MT/s (O.C.), 6000 MT/s (O.C.)
Processor Socket
Socket AM5
Power Connectors
24-pin main power connector, 2 x 8-pin ATX12V connectors
Supported RAM (Registered or Buffered)
Unbuffered
RAM Slots
4 DIMM slots
Interfaces
Internal Interfaces
1 x USB-C 3.2 Gen 2 - header, 1 x audio - header, 1 x serial - header, 4 x USB 2.0 - header, 2 x USB 3.2 Gen 1 - header, 1 x SPI - header
RAM
Features
AMD EXPO technology, Dual channel memory architecture
Max Supported Size
256 GB
Video Output
Type
Graphics adapter (CPU required)
Audio Output
Type
Sound card
Compliant Standards
High Definition Audio
Audio Codec
Realtek ALC897
Audio
High Definition Audio (8-channel)
Networking
Data Link Protocol
Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11ax (Wi-Fi 6E), Bluetooth 5.4, IEEE 802.11be (Wi-Fi 7), IEEE 802.11n, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, 5 Gigabit Ethernet, 2.5 Gigabit Ethernet
Network Controller
Realtek RTL8126VB
Network
802.11a/b/g/n/ac/ax/be (Wi-Fi 7), Bluetooth 5.4, 5 Gigabit Ethernet
Expansion Slots
Expansion Slots
1 x CPU, 2 x PCIe 3.0 x16 (x1 mode), 1 x PCIe 5.0 x16, 2 x M.2 socket (2260/2280 M.2 Key M slot), 4 x DIMM 288-pin, 1 x PCIe 4.0 x16 (x4 mode)
Interfaces
Storage Interfaces
PCIe 4.0 -connectors: 1 x M.2 - RAID 0 / RAID 1, PCIe 5.0 -connectors: 1 x M.2 - RAID 0 / RAID 1, SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10
Storage
Serial ATA-600 (RAID), M.2 socket
USB / FireWire
USB 3.2 Gen 1, USB 3.2 Gen 2, USB-C 3.2 Gen2
Storage Ports
4 x SATA-600 (RAID), 2 x M.2
USB / FireWire Ports Configuration (Active)
2 x USB-C 3.2 Gen 2 + 3 x USB 3.2 Gen 2 + 3 x USB 3.2 Gen 1
USB / FireWire Ports Configuration (Headers)
1 x USB-C 3.2 Gen 2 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0
Software
Software Included
MSI Center
Dimensions & Weight
Width
24,384 cm
Depth
24,384 cm
Description
PRO B850M-A WIFI PZ offers a sleek design with a harmonious silver-white color scheme that perfectly matches white PC builds. Its 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 Ryzenâ„¢ 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 performance.
Transient Voltage Suppressors (TVS)
Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage.
DIY 2.0 – INTEGRATING WITH THE SYSTEM ENVIRONMENT
Connect and synchronize with MSI coolers and cases with strategically positioned pin-header locations including a dedicated pump-fan header.
Cooling Wizard serves as a comprehensive solution for managing fan settings across all MSI products. It ensures superior cooling performance and noise reduction for your gaming PC, offering compatibility with PWM/DC fans and pumps, customizable options, and intuitive temperature monitoring for optimal operation with one click.
HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
MSI's premium network solution provides incredible data transfer speed for demanding users.
THE NEXT GEN WI-FI SOLUTION – WI-FI 7
Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.
AI LAN Manager
MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.
FAST AND FUTURE-READY STORAGE
MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.
LIGHTNING GEN 5 PCI-E WITH STEEL ARMOR
SMT PCIE 5.0 SLOT
The advanced SMT(Surface Mount Technology) PCIE slot diminish interference and electrical noise, fully support the PCI-E 5.0 signal.
REINFORCED,
HEAVY SOLDERED CONNECTIONS
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.
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 performance.
Transient Voltage Suppressors (TVS)
Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage.
DIY 2.0 – INTEGRATING WITH THE SYSTEM ENVIRONMENT
Connect and synchronize with MSI coolers and cases with strategically positioned pin-header locations including a dedicated pump-fan header.
Cooling Wizard serves as a comprehensive solution for managing fan settings across all MSI products. It ensures superior cooling performance and noise reduction for your gaming PC, offering compatibility with PWM/DC fans and pumps, customizable options, and intuitive temperature monitoring for optimal operation with one click.
HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
MSI's premium network solution provides incredible data transfer speed for demanding users.
THE NEXT GEN WI-FI SOLUTION – WI-FI 7
Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.
AI LAN Manager
MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.
FAST AND FUTURE-READY STORAGE
MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.
LIGHTNING GEN 5 PCI-E WITH STEEL ARMOR
SMT PCIE 5.0 SLOT
The advanced SMT(Surface Mount Technology) PCIE slot diminish interference and electrical noise, fully support the PCI-E 5.0 signal.
REINFORCED,
HEAVY SOLDERED CONNECTIONS
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.
- Robust Connectivity
This motherboard features USB 3.2 Gen 2 and USB-C ports, ensuring quick and efficient connections to various peripherals. It supports multiple audio outputs including audio line-in and line-out for versatile sound options. - Powerful Performance
Designed to accommodate high-performing Ryzen processors, this motherboard supports DDR5 RAM speeds up to 8200 MT/s when overclocked. It utilizes an 8+2+1 phase power design, offering better power management for demanding tasks. - Enhanced Durability
With a 6 Layer PCB and MSI Steel Armor, this motherboard provides protection for components, ensuring stable performance over the long term. Features like overcurrent and overvoltage protection add extra security. - Advanced Cooling Solutions
The MSI PRO B850M-A WIFI PZ includes Frozr AI Cooling technology and an Extended Heatsink Design to manage temperatures efficiently, helping maintain optimal performance during intense workloads or gaming sessions. - Audio Technology
Incorporating MSI Audio Boost, this motherboard delivers high definition 8-channel audio output, enhancing the overall user experience for gaming, music, or media consumption.
There is no liability or guarantee that all information is complete, correct and up to date at all times.