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Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

The MSI PRO B840-S EVO WIFI6E motherboard offers features designed to enhance performance and connectivity. With the AMD B840 chipset, it supports Ryzen 7000/8000/9000 Series processors. A 7+2+1 phase power setup and enhanced cooling through Frozr AI Cooling ensure stable operation even under load.

Equipped with features like MSI Mystic Light for lighting, an improved audio system with MSI Audio Boost, and multiple M.2 and SATA interfaces, the PRO B840-S EVO WIFI6E caters to gamers and professionals. It includes networking options with support for 2.5 Gigabit Ethernet and Wi-Fi 6E, ensuring reliable Internet connectivity. This motherboard presents a foundation for building a powerful and efficient desktop system.


Features Summary

  • Robust power design
    The motherboard features a 7+2+1 phase power design which ensures stable and efficient power delivery to components, enhancing overall system reliability.
  • Advanced cooling technology
    Frozr AI Cooling efficiently manages thermal performance, maintaining optimal temperatures and preventing overheating for prolonged system performance.
  • Extensive connectivity options
    With support for multiple USB 3.2 Gen 2, USB-C, and SATA connections, this motherboard provides versatile connectivity for various peripherals and storage devices.
  • Immersive audio experience
    Featuring MSI Audio Boost, the motherboard offers high definition audio and supports an 8-channel audio output, ensuring an immersive sound experience for gaming and media.
  • Customizable lighting
    MSI Mystic Light allows users to personalize their setup with customizable RGB lighting options, enabling synchronization across compatible devices for a cohesive look.

Specification Summary

Product Description
MSI PRO B840-S EVO WIFI6E - motherboard - ATX - Socket AM5 - AMD B840
Product Type
Motherboard - ATX
Chipset Type
AMD B840
Processor Socket
1 x Socket AM5
Compatible Processors
Ryzen (supports Ryzen 7000/8000/9000 Series)
Max RAM Size
256 GB
RAM Supported
4 DIMM slots - DDR5, non-ECC, unbuffered, clocked unbuffered
Storage Ports
4 x SATA-600 (RAID), 3 x M.2
USB / FireWire Ports
1 x USB-C 3.2 Gen 2 + 1 x USB 3.2 Gen 2 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 + (1 x USB-C 3.2 Gen 1 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers)
Audio
HD Audio (8-channel)
LAN
2.5 Gigabit Ethernet, 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3

Specifications

EAN / GTIN:
4711377404167
General
Product Type
Motherboard - ATX
Chipset Type
AMD B840
Processor Socket
Socket AM5
Max Processors Qty
1
Compatible Processors
Ryzen (supports Ryzen 7000/8000/9000 Series)
Supported RAM
Max Size
256 GB
Technology
DDR5
Bus Clock
8000 MT/s (O.C.), 5600 MT/s (O.C.), 5600 MT/s, 4800 MT/s, 6400 MT/s (O.C.)
Supported RAM Integrity Check
Non-ECC
Registered or Buffered
Unbuffered, clocked unbuffered
Features
AMD EXPO technology, dual channel memory architecture
Audio
Type
HD Audio (8-channel)
Audio Codec
Realtek ALC897
Compliant Standards
High Definition Audio
LAN
Network Controller
Realtek RTL8125D
Network Interfaces
2.5 Gigabit Ethernet, 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Expansion / Connectivity
Expansion Slots
1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 ¦ PCIe 3.0 x4 ¦ 2 x M.2 socket (2260/2280 M.2 Key M slot) ¦ 1 x M.2 socket (2260/2280/22110 M.2 Key M slot) ¦ 1 x M.2 socket (Key E)
Storage Interfaces
SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ PCIe 4.0 -connectors: 2 x M.2 - RAID 0 / RAID 1 ¦ PCIe 3.0 -connectors: 1 x M.2 - RAID 0 / RAID 1
Interfaces
1 x HDMI ¦ 1 x USB-C 3.2 Gen 2 ¦ 2 x USB 3.2 Gen 1 ¦ 1 x USB 3.2 Gen 2 ¦ 4 x USB 2.0 ¦ 1 x LAN (2.5Gigabit Ethernet) ¦ 1 x audio line-in - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 2 x aerial
Internal Interfaces
4 x USB 2.0 - header ¦ 4 x USB 3.2 Gen 1 - header ¦ 1 x USB-C 3.2 Gen 1 - header ¦ 1 x audio - header ¦ 1 x serial - header ¦ 1 x SPI - header
Power Connectors
24-pin main power connector, 8-pin ATX12V connector
Features
BIOS Type
AMI
BIOS Features
MSI ClickBIOS, UEFI BIOS, ACPI 6.5 support, SMBIOS 3.7 support
Hardware Features
2oz Copper PCB, BIOS FlashBack button, Clear CMOS Button, Cooling Wizard, EZ Debug LED, EZ LED control, EZ Memory Detection, Frozr AI Cooling, lightning gen4 solution, MSI AI Engine, MSI AI LAN Manager, MSI Audio Boost, MSI Companion, MSI Core Boost, MSI EZ DIY, MSI Memory Boost, MSI Mystic Light, MSI Steel Armor II, 6 Layer PCB, 7+2+1 Phase Power Design, M.2 Shield FROZR, MSI EZ OC, MSI Stainless Steel Back I/O, overcurrent protection, transient voltage suppressors, Enlarged Chipset Heatsink
Miscellaneous
Included Accessories
EZ Wi-Fi antenna, 3 x EZ M.2 clip II, EZ M.2 clip II remover, IO shield
Cables Included
1 x Serial ATA cable
Software Included
Drivers & Utilities, MSI Center, Adobe Creative Cloud (free trial), AIDA64 Extreme - MSI Edition, MSI CPU-Z, Norton 360, Dropbox
Compliant Standards
JEDEC
Width
30.5 cm
Depth
24.4 cm

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