MSI B840M Gaming Plus Wi-Fi6E

Manufacturer: MSI

The MSI B840M Gaming Plus Wi-Fi6E is a versatile Micro-ATX motherboard designed for gaming and performance builds. It offers support for the latest Wi-Fi 6E technology and features easy overclocking capabilities for improved performance.

Technical highlights include a maximum memory capacity of 256GB with DDR5 support, PCIe 4.0 x16 slots for graphics cards, and a variety of storage options including RAID support. It also comes equipped with built-in Bluetooth 5.3 and a range of USB ports for enhanced connectivity.

Pros

Supports up to 256GB of DDR5 memory for high-performance multitasking and demanding workloads.
Equipped with one PCIe 4.0 x16 slot and one PCIe x4 slot for flexible hardware expansion.
Includes support for multiple RAID configurations, including RAID 1, RAID 10, and RAID 0 for storage reliability and speed.
Has RGB lighting for customizable aesthetics, adding visual appeal to builds.
Supports Wi-Fi 6E and Bluetooth 5.3 for fast and modern wireless connectivity.

Cons

Does not support PCIe 5.0 or PCIe 3.0 x16 slots, limiting future-proofing for high-end GPUs.
Lacks DisplayPort and VGA connectors, which may limit display output options.
Does not include support for RAID 5 or RAID 0+1, reducing storage configuration flexibility.
No integrated graphics or S/PDIF out port, which may limit certain multimedia and display setups.
Only provides three audio connectors, which might be restrictive for users needing more audio output options.

Who is this for?

This motherboard is ideal for users looking to build a high-performance system with support for up to 256GB of DDR5 memory and modern Wi-Fi 6E connectivity. It is well-suited for gamers and professionals who need reliable and fast storage options, thanks to its RAID 1, RAID 10, and RAID 0 support for redundancy and speed. Additionally, the inclusion of RGB lighting adds an aesthetic touch for users building a visually appealing system.

Who is this NOT for?

This motherboard may not be ideal for users seeking the latest and most flexible hardware expansion options, as it lacks support for PCIe 5.0 slots and does not have integrated graphics, limiting certain build configurations. It may also be limiting for users requiring more than three audio connectors or the ability to connect through DisplayPort or VGA connectors, as these are not available. Additionally, the lack of support for RAID 5 and RAID 0+1 reduces the options for more advanced storage configurations.

General info:

CPU socket	AM5
chipset	B840
form factor	Micro-ATX
release date	June 2025
supports Wi-Fi	✓
Wi-Fi version	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
Has Bluetooth	✓
Bluetooth version	5.3
HDMI version	HDMI 2.1
Easy to overclock	✓
has RGB lighting	✓
Easy to reset BIOS	✓
Has dual BIOS	✕
has aptX	✕
CPU sockets	1
Has integrated graphics	✕
warranty period	3 years
height	243.8 mm
width	243.8 mm
Has integrated CPU	✕

The MSI B840M Gaming Plus Wi-Fi6E motherboard features an AM5 CPU socket and supports the B840 chipset, making it compatible with a variety of modern processors. It comes in a Micro-ATX form factor and supports Wi-Fi 4, 5, 6, and 6E for versatile wireless connectivity. The board includes Bluetooth 5.3 for seamless pairing with devices and offers RGB lighting for customizable aesthetics. It also allows for easy overclocking and includes an HDMI 2.1 output, though it lacks dual BIOS and integrated graphics.

Memory:

maximum memory amount	256GB
RAM speed (max)	5600 MHz
overclocked RAM speed	8000 MHz
memory slots	4
DDR memory version	5
memory channels	2
Supports ECC memory	✕

The MSI B840M Gaming Plus Wi-Fi6E motherboard supports up to 256GB of DDR5 memory across four slots. It is capable of handling RAM speeds up to 5600 MHz, with an overclocked speed of 8000 MHz for enhanced performance. The motherboard operates with a dual-channel memory configuration, but it does not support ECC memory.

Ports:

USB 3.2 Gen 2 ports (USB-A)	1
USB 3.2 Gen 1 ports (USB-A)	2
USB 3.2 Gen 2 ports (USB-C)	1
USB 3.2 Gen 1 ports (USB-C)	0
USB 2.0 ports	4
USB 3.2 Gen 2x2 ports	0
USB 4 40Gbps ports	0
USB 4 20Gbps ports	0
Thunderbolt 4 ports	0
Thunderbolt 3 ports	0
has an HDMI output	✓
DisplayPort outputs	0
RJ45 ports	1
Has USB Type-C	✓
eSATA ports	0
DVI outputs	0
has a VGA connector	✕
PS/2 ports	0

The MSI B840M Gaming Plus Wi-Fi6E motherboard offers a variety of connectivity options, including USB Type-C and a total of six USB ports, such as one USB 3.2 Gen 2 Type-A, two USB 3.2 Gen 1 Type-A, and one USB 3.2 Gen 2 Type-C port. It also includes an HDMI output for video, but lacks DisplayPort, Thunderbolt, and VGA connectors. In terms of networking, the board features one RJ45 port for Ethernet connectivity.

Connectors:

USB 3.2 Gen 1 ports (through expansion)	2
USB 3.2 Gen 2 ports (through expansion)	0
USB 3.2 Gen 2x2 ports (through expansion)	0
USB-C 3.2 Gen 2 ports (through expansion)	0
USB 2.0 ports (through expansion)	4
SATA 3 connectors	4
fan headers	5
USB 3.0 ports (through expansion)	2
M.2 sockets	2
Has TPM connector	✓
U.2 sockets	0
Has mSATA connector	✕
SATA 2 connectors	0

The MSI B840M Gaming Plus Wi-Fi6E motherboard includes a variety of expansion options. It offers two USB 3.2 Gen 1 ports for additional connectivity, along with four USB 2.0 ports and two USB 3.0 ports for expansion. The board also features four SATA 3 connectors for storage, along with two M.2 sockets for fast SSD installation. For cooling, it provides five fan headers, and it includes a TPM connector for enhanced security.

Expansion slots:

PCIe 4.0 x16 slots	1
PCIe 5.0 x16 slots	0
PCIe 3.0 x16 slots	0
PCIe x1 slots	0
PCI slots	0
PCIe 2.0 x16 slots	0
PCIe x4 slots	1
PCIe x8 slots	0

The MSI B840M Gaming Plus Wi-Fi6E motherboard offers a variety of expansion slots for hardware upgrades. It includes one PCIe 4.0 x16 slot for a graphics card and one PCIe x4 slot for additional expansion cards. This motherboard does not feature PCIe 5.0 or PCIe 3.0 x16 slots, and lacks PCI, PCIe 2.0, or PCIe x8 slots.

Audio:

audio channels	7.1
Has S/PDIF Out port	✕
audio connectors	3

The MSI B840M Gaming Plus Wi-Fi6E motherboard supports 7.1 audio channels for immersive sound quality. It provides three audio connectors for connecting speakers or headphones, but it does not include an S/PDIF Out port for digital audio output.

Storage:

Supports RAID 1	✓
Supports RAID 10 (1+0)	✓
Supports RAID 5	✕
Supports RAID 0	✓
Supports RAID 0+1	✕

The MSI B840M Gaming Plus Wi-Fi6E motherboard supports several RAID configurations for flexible storage options, including RAID 1, RAID 10 (1+0), and RAID 0. However, it does not support RAID 5 or RAID 0+1.

Final Verdict

The motherboard is a solid choice for users seeking a high-performance platform with support for up to 256GB of DDR5 memory and advanced connectivity options like Wi-Fi 6E. Its RAID support ensures flexibility for users looking to optimize storage for both speed and redundancy. While it lacks certain advanced features like PCIe 5.0 and integrated graphics, it offers a well-rounded set of features for enthusiasts and professional users who prioritize stability, fast memory, and efficient storage management. This motherboard is a strong contender for building high-performance systems but may not suit those needing more cutting-edge expansion or integrated graphics capabilities.