Dark Light

MSI B840 GAMING PLUS WIFI Motherboard, ATX – Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5 – DDR5 Memory Boost 8000+ MT/s (OC), PCIe 4.0 x16, M.2 Gen4, Wi-Fi 7, 2.5G LAN

Brand: MSI


About this item

  • Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
  • 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 EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
  • High-speed Connectivity: Full-speed Wi-Fi 7 with 2.5G LAN - The latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
  • 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
  • Lightning Fast Game experience: PCIe 4.0 slot, Lightning Gen 4 x4 M.2, Front USB Type-C
  • EZ DIY: EZ M.2 Shield Frozr II, 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
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

£124.75 (inc. VAT)

Trade & bulk from £124.75/unit at 17+ units (VAT incl.)
Request a bulk quote ›

Market reference (keepa_buybox_current): £109.99. Shown for transparency — not a “was” price. Fairfields sets its own VAT-inclusive price.

Free delivery on trade orders. Returns accepted within 30 days. Delivery & returns info › Trade account & bulk pricing ›

Product information

Processor manufacturerAMD
Processor socketSocket AM5
Compatible processor seriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsSocket AM5
Maximum internal memory supported by processor256 GB

Product description

MSI B840 GAMING PLUS WIFI, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, 256 GB, DDR5-SDRAM

Technical specification

Full manufacturer specification.

Processor

Processor manufacturerAMD
Processor socketSocket AM5
Compatible processor seriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsSocket AM5
Maximum internal memory supported by processor256 GB

Memory

Supported memory typesDDR5-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityNon-ECC
Supported memory clock speeds4800,5600,8000 MHz
Supported memory clock speed (max)8000 MHz
Maximum internal memory256 GB

Storage controllers

Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, Micro SATA III
Number of HDDs supported4
Number of storage drives supported6
RAID supportYes
RAID levels0, 1, 10

Graphics

On-board graphics cardNo

Internal I/O

USB 2.0 connectors4
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
USB 3.2 Gen 2 (3.1 Gen 2) connectors1
Number of SATA III connectors4
Total number of SATA connectors4
Number of CPU fan connectors1
Number of chassis fan connectors5
Number of water pump connectors1
RGB LED pin headerYes
Number of RGB LED pin headers3

Rear panel I/O ports

USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1
HDMI version2.1

Network

Ethernet LANYes
Ethernet interface type2.5 Gigabit Ethernet
Wi-FiYes
Top Wi-Fi standardWi-Fi 7 (802.11be)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
BluetoothYes
Bluetooth version5.4

Features

Motherboard chipsetAMD B840
Audio chipRealtek ALC897
Audio output channels7.1 channels
Product colourBlack
PC health monitoringCPU, Fan, Temperature, Voltage
Component forPC
Motherboard form factorATX
Motherboard chipset familyAMD
Windows operating systems supportedWindows 11 x64

Expansion slots

PCI Express x16 (Gen 3.x) slots4
PCI Express x16 (Gen 4.x) slots1
Number of M.2 (M) slots2
1st M.2 largest key size2280
1st M.2 highest PCI Express generation4.0
2nd M.2 largest key size22110
2nd M.2 highest PCI Express generation4.0

BIOS

BIOS typeUEFI AMI
ACPI version6.5

Weight & dimensions

Width243.8 mm
Depth304.8 mm
Specs: IcecatStructured product data provided by Icecat (open catalogue).