MSI B840M GAMING PLUS WIFI6E mATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E

Sku: B840M GAMING PLUS WIFI6E
Availability: In Stock
Brand: MSI
Category: Motherboards
Regular price £136.45
Regular price Sale Price £136.45

KEY FEATURES

  • Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
  • Ultra Performance: 7+2+1 Phase Direct CPU Power, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB with 2oz thickened copper
  • Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC)
  • Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and M.2 Shield Frozr II are built for high performance system and non-stop experience
  • Lightning Fast Game experience: PCIe 4.0 slot, Lightning Gen 4 x4 M.2, Front USB Type-C
  • High-speed Connectivity: Wi-Fi 6E with 2.5G LAN - The latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
  • EZ DIY: EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna
  • Audio Boost: Reward your ears with studio-grade sound quality for the most immersive gaming experience
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MSI B840M GAMING PLUS WIFI6E mATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E

MSI B840M GAMING PLUS WIFI6E mATX Motherboard | AM5 | 4x DDR5 Slots | Wi-Fi 6E

Regular price £136.45
Regular price Sale Price £136.45
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Rated Excellent on Trustpilot Carbon Neutral Deliveries Free Standard Delivery Over £99
Description Specification Review FAQ

Description

The MSI B840M Gaming Plus WiFi6E sits in the mainstream tier of AMD's AM5 motherboard lineup, built around the B840 chipset in a compact mATX form factor. This white-themed board targets builders who want modern features without the premium price of X870 boards, supporting all current Ryzen 7000, 8000, and 9000 series processors. The inclusion of WiFi 6E wireless connectivity makes it particularly appealing for builds where ethernet isn't practical.

Memory support reaches up to 256GB of DDR5 across four DIMM slots, with speeds validated up to DDR5-8000 for enthusiasts who want to push performance. Two PCIe x16 slots provide flexibility for multi-GPU setups or additional expansion cards, while two M.2 slots both support PCIe 4.0 SSDs in the popular 2280 form factor. The board includes integrated RGB lighting headers and supports XMP memory profiles to automatically configure high-speed DDR5 kits.

Setup benefits from MSI's UEFI BIOS interface and standard motherboard accessories including the rear I/O shield. The board provides dedicated connectors for CPU cooling and water pump systems, making it suitable for both air and liquid cooling configurations. Four SATA III ports ensure compatibility with traditional storage drives, while the integrated WiFi 6E eliminates the need for separate wireless cards in most builds.

Feature

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Eligible for Next day Delivery

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Shipping Information

  • Next Business Day:  £6.99

  • 2 days Delivery: £4.99

  • 3- 5 Days Shipping: £3.99

  • Orders Over £99.00: Free Standard Delivery
Processor
Processor manufacturer AMD
Processor socket Socket AM5
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets Socket AM5
Memory
Supported memory types DDR5-SDRAM
Number of memory slots 4
Memory slots type DIMM
Memory channels Dual-channel
ECC сompatibility Non-ECC
Supported memory clock speeds 4800,5600,8000 MHz
Supported memory clock speed (max) 8000 MHz
Maximum internal memory 256 GB
Storage controllers
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2, Micro SATA III
Number of storage drives supported 6
Number of HDDs supported 4
RAID support Yes
RAID levels 0, 1, 10
Graphics
On-board graphics card No
Internal I/O
USB 2.0 connectors 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
Number of SATA III connectors 4
Total number of SATA connectors 4
Number of CPU fan connectors 1
Number of chassis fan connectors 5
Number of water pump connectors 1
RGB LED pin header Yes
Number of RGB LED pin headers 3
Rear panel I/O ports
USB 2.0 ports quantity 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 1
Ethernet LAN (RJ-45) ports 1
HDMI ports quantity 1
HDMI version 2.1
Network
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
LAN controller Realtek RTL8125D
Wi-Fi Yes
Top Wi-Fi standard Wi-Fi 6E (802.11ax)
Wi-Fi standards 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
Bluetooth Yes
Bluetooth version 5.3
Features
Component for PC
Motherboard form factor micro ATX
Motherboard chipset family AMD
Motherboard chipset AMD B840
Audio chip Realtek ALC897
Audio output channels 7.1 channels
Product colour White
Windows operating systems supported Windows 11 x64
Expansion slots
PCI Express x16 slots 2
Number of M.2 (M) slots 2
1st M.2 largest key size 2280
1st M.2 highest PCI Express generation 4.0
2nd M.2 largest key size 2280
2nd M.2 highest PCI Express generation 4.0
BIOS
BIOS type UEFI AMI
BIOS memory size 256 Mbit
ACPI version 6.5
System Management BIOS (SMBIOS) version 3.7
Weight & dimensions
Width 243.8 mm
Depth 243.8 mm

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