MSI PRO B850-P WIFI
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MSI PRO B850-P WIFI
The MSI PRO B850-P WIFI motherboard, with its AMD B850 chipset and AM5 socket in an ATX format, offers a professional solution for builds using AMD Ryzen processors. It supports Wi-Fi 7 technology, DDR5 memory up to 8200MHz, and a powerful 12+2+1 Duet Rail Power System. The board is equipped with four DDR5 memory slots, a steel-reinforced PCIe 5.0 slot, and three M.2 connectors with advanced EZ M.2 Shield Frozr II cooling and supplementary PCIe power for stable operation of high-performance graphics cards during demanding AI computations and gaming. Thanks to EZ DIY features like the EZ PCIe Clip II for one-finger graphics card installation, a pre-installed I/O shield, and the EZ Antenna for hassle-free Wi-Fi antenna connection, system assembly is quick and intuitive.
AMD B850
Chipset
AMD AM5
Socket
ATX
Format
DDR5
Memory type
4×
Number of RAM slotsKey features of the MSI PRO B850-P WIFI motherboard
- Support for AMD Ryzen processors with 12+2+1 Duet Rail power and dual 8-pin connectors, ensuring stability even with more powerful CPUs
- DDR5 memory support up to 8200MHz with Memory Boost, High-Efficiency mode, and Latency Killer, reducing latency by up to 12%
- PCIe 5.0 slot with Steel Armor reinforcement, M.2 Lightning Gen 5 x4 with 128GB/s speed, and an additional PCIe power connector
- Wi-Fi 7 with EZ Antenna and 5Gbps LAN with AI LAN Manager, which automatically optimises application priority and reduces latency
- Frozr Guard cooling with extended heatsinks, EZ M.2 Shield Frozr II, thermal MOSFET pads (7W/mK), and an enlarged chipset heatsink
- EZ DIY features including EZ PCIe Clip II, EZ M.2 Clip II, pre-installed I/O shield, and diagnostic LEDs
Power and performance optimisation
The board uses a robust 12+2+1 phase digital power system with P-PAK components and dual 8-pin CPU connectors to ensure a stable power supply even for more demanding processors. The six-layer PCB, together with a patented power phase grounding structure, suppresses electromagnetic interference and efficiently dissipates heat. Overvoltage protection is provided by TVS diodes and solid pins in the power connectors, while overcurrent protection safeguards the USB ports, memory slots, and PWM circuits. Features like Creation Boost for one-click processor overclocking, AI Boost for optimising NPU performance, and support for EXPO/A-XMP profiles enable easy performance enhancements without complex adjustments.
Memory support and optimisation
Four DDR5 slots supporting frequencies up to 8200MHz in overclocked mode use Memory Boost technology and an SMT soldering process for high stability and performance. High-Efficiency Mode offers four sets of RAM timings to find the optimal configuration based on memory module quality, while Latency Killer reduces memory latency by up to 12% at high frequencies and is compatible with Memory Try It, EXPO, A-XMP, and High-Efficiency Mode. The dedicated SMT process and optimised PCB design ensure higher bandwidth and faster transfer speeds, delivering high memory performance for both professional and gaming use.
Port connectivity
Storage
- Number of SATA III: 4
- Number of M.2: 3
- M.2 Slot - 1× M.2 PCI-E NVMe Gen5
- M.2 Slot - 2× M.2 PCI-E NVMe Gen4
- Features: RAID 0, RAID 1
USB ports
- Internal USB 2.0: 4 (2 headers)
- Internal USB 3.2 Gen 1: 4 (2 headers)
- Internal USB-C 3.2 Gen 1: 1 (1 header)
- Rear USB 2.0: 4
- Rear USB 3.2 Gen 1: 1
- Rear USB 3.2 Gen 2: 1
- Rear USB-C 3.2 Gen 2: 2
Graphics
- HDMI 2.1
- Graphics outputs: HDMI
Sound
- Number of channels: 7.1
- Rear connectors: 2× 3.5mm jack, S/PDIF
Other
- Rear: Flash BIOS button, CMOS button, RJ-45 (LAN) 5Gbps, Wi-Fi antenna
- Power: 24-pin, 2× 8-pin, 1× PCIe 8-pin
- Cooling: number of PWM FAN (4-pin) - 5, Water pump - 4-pin
- Internal: Chassis Intrusion (JCI), RGB LED (4-pin), COM header, TPM header,
Choosing a motherboard
When choosing a motherboard (or mainboard), it's important to pay close attention to the motherboard's socket type, format, and chipset. These parameters are among the most crucial, ensuring the board's compatibility with the processor, expansion cards, and other components. The specific socket determines your choice of processor, while the other connectors dictate the selection of other components for your future computer.Specifications
Socket and chipset
Format & functions
Memory
Advanced parameters
Connectors
Series
Compatibility
Colour
| Code: | AAb850p1 |
| Warranty: | 36 months |
| Links: | Producer's Website: |
| Manufacturer information |
Micro-Star International Co Ltd. C/O MSI Computer Europe BV, Science Park Eindhoven 5706, 5692 ER, Son, Netherlands, [email protected] The Taiwanese company MSI (Micro-Star International) has earned a solid place in the world of IT, mainly producing motherboards for desktop computers. However, it also produces high quality graphics cards, barebone computers, notebook computers, networking products, servers, and many other computer components. MSI products support the latest technologies and provide the performance necessary for all applications. Recently, the company has begun making a name for itself in the growing segment of gaming notebooks. 
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