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MSI

MSI - PRO B850-P WIFI (Socket AM5) AMD B850 ATX DDR5 Wi-Fi 7 Motherboard - Black

Model: PRO B850-P WIFI
SKU: 6616912
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Specifications
  • Chipset
    AMD B850
    Form Factor
    ATX
    Processor Socket
    Socket AM5 (LGA 1718)
    Wireless Networking Standard
    Wi-Fi 7
    Number Of Memory Slots
    4
    Maximum Memory Supported
    256 gigabytes
  • Key Specs
    • Chipset: AMD B850
    • Form Factor: ATX (The size, arrangement, and physical configuration of the product.)
    • Processor Socket: Socket AM5 (LGA 1718) (Type of pin configuration that connects a CPU to a computer’s motherboard.)
    • Wireless Networking Standard: Wi-Fi 7 (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
    • Number Of Memory Slots: 4
    • Maximum Memory Supported: 256 gigabytes
    • Memory Type Supported: DDR5
  • General
    • Brand: MSI
    • Model Number: PRO B850-P WIFI
    • Product Name: PRO B850-P WIFI (Socket AM5) AMD B850 ATX DDR5 Wi-Fi 7 Motherboard
    • Color: Black
    • Year of Release: 2025
  • Compatibility
    • Chipset: AMD B850
    • Chipset Compatibility: AMD
    • Form Factor: ATX (The size, arrangement, and physical configuration of the product.)
    • Processor Socket: Socket AM5 (LGA 1718) (Type of pin configuration that connects a CPU to a computer’s motherboard.)
    • Processor Compatibility: AMD Ryzen 9 9000 Series, AMD Ryzen 9 7000 Series, AMD Ryzen 7 9000 Series, AMD Ryzen 7 8000 Series, AMD Ryzen 7 7000 Series, AMD Ryzen 5 9000 Series, AMD Ryzen 5 8000 Series, AMD Ryzen 5 7000 Series
  • Slot
    • Number of M.2 Slots: 3 (This interface is most commonly used for high-speed solid state drives (SSDs), and is often used in laptops due to its small size.)
    • Number Of PCI-E x16 Slots: 1
    • Number Of Memory Slots: 4
  • Connectivity
    • SATA Connector: 4x SATA 6G (The configuration of the connector as it connects a computer power supply unit to a SATA-based drive.)
    • Wireless Connectivity: Bluetooth, Wi-Fi (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • Wireless Networking Standard: Wi-Fi 7 (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
    • Wireless Standard: BE (The wireless networking protocol used by the device. Each iteration of the protocol is based on the 802.11 standard developed by the Institute of Electrical and Electronics Engineers (IEEE) Standards Association. Denoted by letters following 802.11 (802.11a, 802.11ac, etc.), each version, published in alphabetical order, encompasses all previous versions.)
  • Ports
    • USB Ports: 8 x USB-A 2.0, 1 x USB-A 3.1, 2 x USB-C 3.1, 5 x USB-A 3.0, 1 x USB-C 3.0 (The number and type of USB ports the product has.)
    • Number of Audio Channels: 7.1 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
  • Dimensions
    • Product Length: 304.12 millimeters (The out of box length of the item. Length is measured as the longest dimension of the item.)
    • Product Width: 243.88 millimeters (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Weight: 52 ounces (The out of box weight of the item.)
  • Memory
    • Maximum Memory Supported: 256 gigabytes
    • Memory Type Supported: DDR5
    • Memory Format Supported: UDIMM (Memory module size that will fit with the device.)
    • Memory Speeds Supported: 4x DDR5, Maximum Memory Capacity 256GB (The RAM's bandwidth rating supported by the device. The number refers to transfer speed. For example, 12800 would indicate that the memory has a theoretical bandwidth of 12,800 megabytes per second (MBs). The higher the number, the faster the speed.)
    • Memory Slot Type: 288-pin DIMM
  • Features
    • RAID Support: RAID 0, RAID 1, RAID 10 (RAID 1+0) (A Redundant Array of Independent Disks (RAID) includes a collection of separate disks that your computer recognizes as one disk unit. Each configuration offers a different level of mirroring, striping and read/write speeds.)
  • Other
    • UPC: 824142392607

PRO B850-P WIFI tailored to professionals from all walks of life. The lineup features impressive performance and high quality, while aiming to provide users incredible experience.

  • Processor compatibility: Supports AMD Ryzen 9000/7000 Series Desktop Processor Socket AM5
  • Speed (memory speed supported): 4 DIMMs, Dual Channel DDR5 - 8200+ MT/s (OC)
  • Lightning Gen 5: The latest PCIe 5.0 solution with up to 128GB/s bandwidth for maximum transfer speed.
  • Wi-Fi 7: The latest wireless solution with a new 320MHz channel, achieving a maximum transmission speed of 5.8Gbps, which is 2.4 times faster than Wi-Fi 6/6E.
  • Audio: 8-Channel (7.1) HD Audio with Audio Boost
Product Manuals

Q: What is the maximum memory capacity supported by this motherboard?

A: The MSI PRO B850-P WIFI motherboard supports a maximum memory capacity of 256GB.

Q: How many M.2 slots does the motherboard have?

A: This motherboard has 3 M.2 slots.

Q: Does this motherboard support RAID configuration?

A: Yes, the motherboard supports RAID 0 configuration.

Q: What is the maximum speed supported by the wireless connection on this motherboard?

A: The MSI PRO B850-P WIFI motherboard features Wi-Fi 7 with speeds up to 5.8 Gbps.

Q: What type of memory does this motherboard support?

A: The MSI PRO B850-P WIFI supports DDR5 type memory.

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Pros for MSI - PRO B850-P WIFI (Socket AM5) AMD B850 ATX DDR5 Wi-Fi 7 Motherboard - Black
There were no pros for this product—Overall Performance, BIOS, Features, Ease of Use, ConnectivityOverall Performance, BIOS, Ease of use, Wi-Fi, PriceOverall Performance, Features, Wi-Fi, Ease of use, Compatibility
Cons for MSI - PRO B850-P WIFI (Socket AM5) AMD B850 ATX DDR5 Wi-Fi 7 Motherboard - Black
There were no cons for this product—Audio QualityFirmware, ManualUSB

Specs

Reviews

Rating 3.6 out of 5 stars with 5 reviews

5 star rating. 3 reviews2 star rating. 1 review1 star rating. 1 review
60% would recommend to a friend
Customers are sayingCustomers are positive about the PRO B850-P WIFI motherboard. Specifically, customers find the BIOS to be user friendly.
This summary was generated by AI based on customer reviews.

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Great performance

    Great board and super fast with a Samsung Evo 990 plus. Also the flash buttons come in handy. Released last year so this board and plenty of years of support. FYI, the Bequiet dark rock cooler clears the ram.

    Posted by JimmyK

  • Rated 2 out of 5 stars

    Wifi Card Issues

    I bought this motherboard back of January 2026, and by now late April I'm looking at having to pay to ship this motherboard again for RMA for the wifi card. At some point on PC startup, the Qualcomm Fastconnect 7800 wifi 7 card completely disappears from Device Manager, and my Linux OS doesn't show it connected anymore. It is physically inaccessible on the board without taking it apart, which would be an issue warranty-wise. I had sent it and received it back fixed about 3 weeks ago, and again I'm randomly having the same issue. Other than this issue, the board is nice to use, the bios is straightforward, and it has a clean look. In my opinion though, this quality issue with the wifi card makes me not want to buy another MSI product.

    Posted by Parke

  • Rated 5 out of 5 stars

    Very good motherboard

    This motherboard is very good for the ryzen 9 series

    Posted by AndrewH

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