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MSI B840M GAMING PLUS WIFI6E AM5 DDR5 MATX Motherboard
Unlock exceptional gaming experiences with the MSI B840M Gaming Plus WiFi6E AM5 motherboard. Designed for AMD Ryzen processors, it supports DDR5 memory for lightning-fast performance. Enhance connectivity with WiFi 6E and multiple USB ports. Its robust thermal design ensures stability for intense gaming sessions.
Features


General
SKU | 003-MSI-B56 |
Features
Brand | MSI |
Model Number | MSI B840M GAMING PLUS WIFI6E AM5 DDR5 MATX Motherboard |
Motherboard Chipset | B840 Chipset (Ryzen AM5) |
CPU Socket Type | LGA 1718 |
Memory Type | DDR5 |
Form Factor | Micro ATX |
Key Features |
Supports AMD Ryzen 7000 series processors Wi-Fi 6E for enhanced wireless connectivity Dual-channel DDR5 memory support Micro ATX form factor for compact builds PCIe 5.0 slot for increased graphics performance High-quality audio capacitors for superior sound Multiple USB 3.2 Gen 2 ports for fast data transfer 2.5G LAN port for high-speed wired networking Customisable RGB lighting with MSI Mystic Light Enhanced thermal design with heatsinks and fan headers |
Description
MSI B840M GAMING PLUS WIFI6E AM5 DDR5 MATX Motherboard
MSI B840M GAMING PLUS WIFI6E AM5 DDR5 MATX Motherboard
Experience cutting-edge performance and unparalleled connectivity with the MSI B840M GAMING PLUS WIFI6E AM5 DDR5 MATX Motherboard. Tailored for serious gamers and PC enthusiasts, this motherboard offers exceptional features that enhance your gaming experience.
Powered by the latest AM5 socket, this motherboard supports the newest AMD Ryzen processors, ensuring optimal computing power. With support for DDR5 memory, you can enjoy higher bandwidth and faster data transfer rates, giving you the edge during intense gaming sessions or demanding applications.
One of the standout features of the MSI B840M is its built-in WIFI6E technology. Enjoy lightning-fast internet speeds and seamless online gaming with reduced latency. Say goodbye to lag and experience smooth connectivity while you battle opponents worldwide.
This motherboard also boasts a robust cooling system designed to maintain optimal temperature levels even during the most demanding tasks. With multiple fan headers and the option for additional cooling solutions, you can ensure your system remains cool, performing at its best with minimal noise.
The MSI B840M GAMING PLUS is equipped with a variety of ports to connect your peripherals and external devices. Featuring USB 3.2 and HDMI outputs, you have everything you need to create a versatile setup. Its MATX form factor allows it to fit into compact cases without sacrificing performance or capabilities, making it ideal for gamers with limited space.
Optimised for gaming, this motherboard also includes MSI’s extensive software suite, providing user-friendly utilities that enhance system performance and stability. The easy-to-navigate BIOS setup offers customisation options, allowing you to tweak settings for maximum efficiency.
Take advantage of the high-quality audio enhancements featured on the MSI B840M. With premium capacitors and an advanced audio processor, you can enjoy immersive sound quality that brings your games to life. Feel every explosion and hear enemy footsteps with crystal clarity.
Whether you’re building a new gaming rig or upgrading your current setup, the MSI B840M GAMING PLUS WIFI6E AM5 DDR5 MATX Motherboard delivers exceptional performance and reliability. Its combination of cutting-edge technology, efficient cooling, and expansive connectivity options makes it a top choice for gamers and creators alike.
Make the most out of your gaming experience and elevate your builds with the MSI B840M GAMING PLUS motherboard. Unlock performance like never before and stay ahead of the competition.
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Specification
Chipset
AMD B840
CPU
Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
Memory
4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency:
• 1DPC 1R Max speed up to 8000+ MT/s
• 1DPC 2R Max speed up to 6400+ MT/s
• 2DPC 1R Max speed up to 6400+ MT/s
• 2DPC 2R Max speed up to 5600+ MT/s
Supports AMD POR Speed and JEDEC Speed
Supports Memory Overclocking and AMD EXPOTM
Supports Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM, Clock Driver bypass mode only*
* 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.
• Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
Onboard Graphics
1x HDMI™
Support HDMI™ 2.1, maximum resolution of 4K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot
2x PCI-E x16 slot
PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x4 (From Chipset)
PCI_E1 slot
• Supports PCIe 4.0 x16 (For Ryzen™ 9000/ 7000 Series processors)
• Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
• Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor)
Audio
Realtek® ALC897 Codec
7.1-Channel High Definition Audio
Storage
2x M.2
M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G
*Please refer to the manual for M.2 SSD heatsink restrictions.
RAID
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
USB
4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
1x USB 5Gbps Type C (Front)
1x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Rear)
LAN
Realtek® 8125D 2.5G LAN
Internal IO
1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
3x System Fan
1x EZ Conn-header (JAF_1)
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 LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 5Gbps Type C ports
WIRELESS LAN & BLUETOOTH
Wi-Fi 6E Solution
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz* (160MHz) up to 2.4Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax
Supports Bluetooth® 5.3, FIPS, FISMA
* Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in Windows 11.
** Bluetooth 5.3 will be ready in Windows 10 build 21H1 and Windows 11.
LED FEATURE
4x EZ Debug LED
1x EZ Memory Detection LED