MSI B840M GAMING PLUS WIFI6E motherboard
£125.02 inc VAT
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About This Item
- Micro ATX motherboard with AMD B840 chipset
- Supports AMD Ryzen 7000/8000/9000 Series processors
- 4 DDR5-SDRAM memory slots, dual-channel, up to 256 GB
- 2 M.2 slots with PCIe 4.0 support, 4 SATA III connectors
- Wi-Fi 6E, 2.5G Ethernet, Bluetooth 5.3 connectivity
- 7.1-channel audio with Realtek ALC897 codec
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MSI B840M GAMING PLUS WIFI6E | AMD B840 Micro ATX Gaming Motherboard
The MSI B840M GAMING PLUS WIFI6E motherboard AMD B840 Socket AM5 micro ATX delivers a comprehensive gaming platform with Wi-Fi 6E connectivity, 2.5G LAN, and PCIe 4.0 support, optimised for AMD Ryzen 7000/8000/9000 Series processors. This micro ATX board combines extensive connectivity with advanced thermal solutions for reliable 24/7 gaming performance.
Key Specifications
| Metric | Spec |
|---|---|
| Socket | AM5 |
| Chipset | AMD B840 |
| Memory Support | DDR5 (up to 256 GB) |
| Wi-Fi | Wi-Fi 6E (802.11ax) |
| LAN | 2.5 Gigabit Ethernet |
| Form Factor | micro ATX (243.8 x 243.8 mm) |
| PCIe Slots | 2 x PCIe 4.0 x16 |
Enhanced Power Delivery for Sustained Performance
The 7+2+1 digital power phase design with an 8-pin connector ensures stable power delivery to AMD Ryzen processors during demanding gaming sessions. The optimised PCB layout reduces electrical noise and improves signal integrity for consistent performance under heavy workloads.
Advanced Cooling System
Extended heatsinks increase surface area for heat dissipation, maintaining performance during extended gaming. The M.2 Shield Frozr prevents thermal throttling of high-speed SSDs, while 7W/mK thermal pads on MOSFETs and chokes provide additional cooling for sustained operation.
Comprehensive Connectivity Options
With dual M.2 slots supporting PCIe 4.0, four SATA III ports, and multiple USB options including USB 3.2 Gen 2 Type-C, this motherboard offers flexible storage and peripheral expansion. The Realtek ALC897 audio codec delivers 7.1 channel sound for immersive gaming experiences.
Smart Software Integration
MSI Center software with AI-powered features simplifies system tuning and optimisation. The UEFI BIOS provides intuitive navigation for hardware configuration, while EZ DIY features make installation and setup straightforward for users of all experience levels.
Box contents
- MSI B840M GAMING PLUS WIFI6E motherboard
- I/O shield
- User manual
- Driver/software disc
- SATA cables
- M.2 screws
- Wi-Fi antenna
Check before you buy
- Confirm your CPU is an AMD Ryzen 7000/8000/9000 Series with AM5 socket
- Verify your case supports micro ATX (243.8 x 243.8 mm) dimensions
- Check you have a compatible 8-pin CPU power connector on your PSU
- Confirm you need DDR5 memory as this board does not support DDR4
Frequently Asked Questions
Q: Does this motherboard support Windows 11?
A: Yes, it supports Windows 11 x64 operating systems.
Q: What is the maximum memory capacity?
A: The motherboard supports up to 256 GB of DDR5 memory across four DIMM slots.
Q: Does it have built-in Wi-Fi?
A: Yes, it features Wi-Fi 6E with Bluetooth 5.3 for wireless connectivity.
Q: How many M.2 drives can I install?
A: You can install two M.2 SSDs, both supporting PCIe 4.0 x4 speeds.
Q: What RAID configurations are available?
A: The motherboard supports RAID 0, 1, and 10 configurations.
The Consultant’s verdict & warranty
The MSI B840M GAMING PLUS WIFI6E motherboard AMD B840 Socket AM5 micro ATX offers excellent value for gamers building compact systems with modern AMD processors. Its combination of Wi-Fi 6E, 2.5G LAN, and robust power delivery makes it suitable for both gaming and content creation. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| Supported storage drive interfaces | M.2, Micro SATA III |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 5 |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Number of water pump connectors | 1 |
| Number of RGB LED pin headers | 3 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Supported processor sockets | Socket AM5 |
| On-board graphics card | No |
| HDMI version | 2.1 |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Total number of SATA connectors | 4 |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| RAID levels | 0, 1, 10 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 4800,5600,8000 MHz |
| Maximum internal memory | 256 GB |
| Supported memory clock speed (max) | 8000 MHz |
| ECC сompatibility | Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, Micro SATA III |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| Graphics | |
| On-board graphics card | No |
| Rear panel I/O ports | |
| 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 |
| USB 2.0 ports quantity | 4 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| 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) |
| LAN controller | Realtek RTL8125D |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Features | |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | White |
| Expansion slots | |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 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 |
| Software | |
| Windows operating systems supported | Windows 11 x64 |
| Weight & dimensions | |
| Width | 243.8 mm |
| Depth | 243.8 mm |
| Identifiers | |
| Distributor SKUs | 127057, 4711377361811, 911-7E77-003 |
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