MSI PRO B850-P WIFI

  • Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
  • Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
  • Ultra Performance: 12+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
  • EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna
  • Lightning Fast Game experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2
  • Audio Boost: Reward your ears with studio-grade sound quality for the most immersive gaming experience
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Specification Details
Chipset AMD B850
CPU Supports AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors
Socket AM5
Memory
Configuration 4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support DDR5 8200 – 5600 (OC) MT/s / 5600 – 4800 (JEDEC) MT/s
Ryzen 9000 Series Max Overclocking Frequency 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
Features 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*
Notes * 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 have double-sided latches.
– Memory compatibility and supported speeds depend on CPU and configuration. For details, visit https://www.msi.com/support/.
Onboard Graphics
Ports 1x HDMI
Supports HDMI 2.1, maximum resolution 4K 60Hz*
*Available only on processors featuring integrated graphics. Specifications may vary depending on the CPU installed.
Expansion Slots
Slots 4x PCI-E x16 Slots
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 4.0 supports up to x4 (From Chipset)
PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E1 Slot – PCIe 5.0 x16 (Ryzen 9000 / 7000)
– PCIe 4.0 x8 (Ryzen 8700 / 8600 / 8400)
– PCIe 4.0 x4 (Ryzen 8500 / 8300)
Notes * PCI_E2, PCI_E3 and PCI_E4 share bandwidth. The PCI_E3 slot will run at x2 speed when devices are installed in PCI_E2 or PCI_E4 slots.
Audio
Codec Realtek ALC897
Channels 7.1-Channel High Definition Audio
Storage
Configuration 3x M.2
M.2_1 (From CPU): PCIe 5.0 x4, supports 2280/2260 devices
M.2_2 (From CPU): PCIe 4.0 x4, supports 22110/2280 devices
M.2_3 (From Chipset): PCIe 4.0 x2, supports 2280/2260 devices
4x SATA 6G
M.2_1 Slot – PCIe 5.0 x4 (Ryzen 9000 / 7000)
– PCIe 4.0 x4 (Ryzen 8000)
M.2_2 Slot – PCIe 4.0 x4 (Ryzen 9000 / 7000)
– PCIe 3.0 x4 (Ryzen 8700 / 8600 / 8400)
– PCIe 3.0 x2 (Ryzen 8500 / 8300)
Notes * Refer to the manual for M.2 SSD heatsink restrictions.
RAID
Support Supports RAID 0 and RAID 1 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
USB
Configuration 4x USB 2.0 (Rear)
4x USB 2.0 (Front)
1x USB 5Gbps Type-A (Rear)
4x USB 5Gbps Type-A (Front)
1x USB 5Gbps Type-C (Front)
1x USB 10Gbps Type-A (Rear)
2x USB 10Gbps Type-C (Rear)
LAN
Port Realtek 8126VB 5G LAN
Internal I/O
Connectors 1x ATX Power (ATX_PWR)
2x CPU Power (CPU_PWR)
1x Power Connector (PCIE_PWR 8-pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
4x 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 (JARGB_V2)
1x RGB LED (JRGB)
1x TPM Pin Header (Supports TPM 2.0)
4x USB 2.0 Ports
4x USB 5Gbps Type-A Ports
1x USB 5Gbps Type-C Port
Wireless LAN & Bluetooth
Type Wi-Fi 7
Module Pre-installed in M.2 (Key-E) slot
Performance Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a / b / g / n / ac / ax / be
Supports Bluetooth 5.4**, MLO, 4KQAM
Notes * 6GHz band support may depend on country regulations; Wi-Fi 7 enabled in Windows 11 version 24H2.
** Bluetooth version may update; check Wi-Fi chipset vendor’s website for info. Bluetooth 5.4 available in Windows 11 version 24H2.
LED Features
Indicators 4x EZ Debug LED
1x EZ Memory Detection LED
Back Panel Ports
Configuration

  1. Clear CMOS Button
  2. USB 10Gbps Type-A
  3. USB 2.0
  4. 5G LAN
  5. Wi-Fi / Bluetooth
  6. Audio Connectors
  7. Flash BIOS Button
  8. HDMI
  9. USB 10Gbps Type-C
  10. USB 5Gbps Type-A
  11. USB 10Gbps Type-C
  12. S/PDIF Out
Operating System
Support Windows 11 64-bit
Box Content
INCLUDES
PCB INFO
ATX
243.84mmx304.8mm

Overview

MSI PRO B850-P WIFI – Professional Power, Next-Gen Connectivity

The MSI PRO B850-P WIFI is engineered for creators, professionals, and PC enthusiasts who demand stable performance, modern features, and future-proof flexibility. Supporting AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors, this motherboard delivers robust processing power with the AM5 platform.

With support for DDR5 memory in dual-channel mode (8200+ MT/s OC), it offers fast responsiveness and superior multitasking capabilities. The board features an ultra performance-tuned 12+2+1 Duet Rail Power System along with dual 8-pin CPU power connectors, Core Boost, Memory Boost, and a 6-layer PCB constructed from 2oz thickened copper and server-grade materials—all designed for peak power efficiency and longevity.

Cooling and reliability are enhanced through the Frozr Guard design: extended heatsinks, high-conductivity MOSFET thermal pads rated at 7 W/mK, additional choke pads, and the EZ M.2 Shield FROZR II ensure thermal stability during long sessions or heavy workloads.

Connectivity is future-ready, offering a PCIe 5.0 slot and Lightning Gen 5 x4 M.2 for next-gen graphics and ultra-fast NVMe storage. Networking is top-tier with 5G LAN and built-in Wi-Fi 7, providing secure, high-speed data transfer and stable network performance for professional and multimedia use.

Installation is streamlined with EZ DIY features: EZ M.2 Shield FROZR II, EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna make building and upgrading easier. Audio Boost brings studio-quality sound to your setup, delivering immersive audio for gaming, content development, or multimedia consumption.

Key Features:

    • Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
    • Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
    • Ultra Performance: 12+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
    • Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
    • EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna
    • Lightning Fast Game experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2
    • 5G LAN with Wi-Fi 7 Solution: the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
    • Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
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