PRO B840-P WIFI offers a simple design with a harmonious silver color scheme that perfectly matches both white and black PC builds.
It is engineered with many exclusive features of MSI, a true Wi-Fi 7 with EZ Antenna, 2.5G LAN, and PCIe 4.0 M.2 with EZ M.2 Shield Frozr II, ready for the AMD Ryzen™ 9000 series processors.
Ultra Performance: Direct 7+2+1 Power System with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper
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 4.0 slot and Lightning Gen 4 x4 M.2
2.5G LAN with Wi-Fi 7 Solution: the remarkable 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
Pro Business Elegance
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.
Ready for AI PC
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.
AI Engine - provides several categories for you to sync the applications you want to perform and automatically optimizing them to create a comfortable environment.
AI LAN Manager- optimizes networking performance and minimizes latency, providing a seamless online experience.
Frozr AI Cooling- automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.
AI Boost- is an MSI exclusive feature. It overclocks NPU to improve higher AI performance.
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.
EZ M.2 Shield Frozr II
The new tool-less design makes installing or removing your M.2 SSD and Shield Frozr much easier.
EZ PCIe Clip II
Allows for easy removal of the graphics card by pressing the taillike lock with one finger, even in the cramped case spaces.
Latest DDR5 Memory
A huge step of DDR performance enhancement with the latest DDR5 memory and MSI Memory Boost technology.
Lightning Gen4 Solution
The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.
2.5G Network Solution
Featuring premium 2.5G LAN to deliver better network experience.
Extended Heatsink Design
MSI extended PWM heatsink and enhanced circuit design ensures even high-end processors to run in full speed.
Pre-installed I/O Shielding
Better EMI protection and more convenience for installation
Frozr AI Cooling
Detect CPU & GPU temperatures and automatically adjust system fan duty to a proper value.
1 x TPM pin TPM 2.04 x USB 2.02 x USB 5Gbps Type-A1 x USB 5Gbps Type-C
Wireless
Wi-Fi 7The Wireless module is pre-installed in the M.2 (Key-E) slotSupports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz (320MHz) up to 5.8GbpsSupports 802.11 a/ b/ g/ n/ ac/ ax/ beSupports Bluetooth 5.4, MLO, 4KQAM
RAM Speeds
Up to 8000+MT/s (OC)
Accessories
EU Regulatory NoticeQuick Installation GuideEZ M.2 Clip II Remover2 x EZ M.2 Clip IIEZ Wi-Fi AntennaSATA Cable
USB Ports Supported
Rear:1 x USB 10Gbps Type-C 1 x USB 10Gbps Type-A2 x USB 5Gbps Type-A4 x USB 2.0Front:1 x USB 5Gbps Type-C2 x USB 5Gbps Type-A4 x USB 2.0
Storage
4 x SATA III2 x M.2M.2_1 (2280/2260) - PCIe 4.0 x4M.2_2 (22110/2280/2260) - PCIe 4.0 x4
RAID
Supports RAID 0, 1, and 10 for SATA storage devicesSupports RAID 0 and 1 for M.2 NVMe storage devices
Warranty
3 Years
Motherboard Type
Desktop
Form Factor
ATX
Socket
AMD AM5
Chipset
AMD B840
DDR Type
DDR5
RAM Technology
DDR5 (Dual Channel)Supports Non-ECC, Un-buffered memorySupports AMD POR Speed and JEDEC SpeedSupports Memory Overclocking and AMD EXPOSupports CUDIMM, Clock Driver bypass mode only
RAM Slots
4 x DIMM
Maximum Memory
256GB
LAN
2.5GB LAN
Audio
Realtek ALC8977.1-Channel High Definition Audio
Back Panel I/O Ports
1 x USB 10Gbps Type-C 1 x USB 10Gbps Type-A2 x USB 5Gbps Type-A4 x USB 2.01 x HDMI 2.11 x RJ-451 x Audio Line In1 x Audio Line Out1 x Microphone In2 x SMA Antenna
Internal I/O Connectors
1 x Power (ATX_PWR)1 x Power (CPU_PWR)1 x CPU Fan1 x Combo Fan (Pump_Sys Fan)4 x System Fan2 x Front Panel1 x Chassis Intrusion1 x Front Audio1 x Com Port1 x Tuning Controller2 x Addressable V2 RGB LED1 x RGB LED
CPU Support
Click here for CPU support
Package Type
Retail
Graphics Ports
1 x HDMI
Additional Features
See Overview
Graphics
Integrated GraphicsGraphics specifications may vary between CPU types
M.2 Slot(s)
Yes (M.2)
No. LAN Ports
1 x LAN
Max LAN Speed
2.5GB LAN
PCI/PCI Express
1 x PCIe 4.0 x161 x PCIe 3.0 x163 x PCIe 3.0 x1*Specifications may vary between CPU types
Wi-Fi
Yes (Wi-Fi)
Delivery date
Carrier
Information
Delivery
Next Day (Orders Before 4PM)
* with direct payment methods (e.g. credit card)
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