MSI B840M Gaming Plus Wi-Fi6E
MSI B850M Gaming Plus Wi-Fi6E

MSI B840M Gaming Plus Wi-Fi6E MSI B850M Gaming Plus Wi-Fi6E

Common Features

  • Both products have an AM5 CPU socket.
  • Both products are Micro-ATX form factor.
  • Both products support Wi-Fi.
  • Both products support Wi-Fi 4, Wi-Fi 5, Wi-Fi 6, and Wi-Fi 6E.
  • Both products have Bluetooth 5.3.
  • Both products have HDMI 2.1 support.
  • Both products are easy to overclock.
  • Both products support up to 256GB of memory.
  • Both products support DDR5 memory.
  • Both products have 4 memory slots.
  • Both products have 2 memory channels.
  • Both products do not support ECC memory.
  • Both products have a maximum RAM speed of 5600 MHz.
  • Both products support USB 3.2 Gen 2 ports (USB-C).
  • Both products have an HDMI output.
  • Both products have 4 SATA 3 connectors.
  • Both products have 5 fan headers.
  • Both products have 2 M.2 sockets.
  • Both products have a TPM connector.
  • Both products support RAID 1 and RAID 0.

Main Differences

  • The chipset is B840 on MSI B840M Gaming Plus Wi-Fi6E and B850 on MSI B850M Gaming Plus Wi-Fi6E.
  • MSI B840M Gaming Plus Wi-Fi6E does not have dual BIOS, while MSI B850M Gaming Plus Wi-Fi6E has dual BIOS.
  • The maximum overclocked RAM speed is 8000 MHz on MSI B840M Gaming Plus Wi-Fi6E and 8200 MHz on MSI B850M Gaming Plus Wi-Fi6E.
  • MSI B840M Gaming Plus Wi-Fi6E has 1 USB 3.2 Gen 2 port (USB-A), while MSI B850M Gaming Plus Wi-Fi6E has 4 USB 3.2 Gen 2 ports (USB-A).
  • MSI B840M Gaming Plus Wi-Fi6E has 2 USB 3.2 Gen 1 ports (USB-A), while MSI B850M Gaming Plus Wi-Fi6E has 4 USB 3.2 Gen 1 ports (USB-A).
  • MSI B840M Gaming Plus Wi-Fi6E has 4 USB 2.0 ports, while MSI B850M Gaming Plus Wi-Fi6E has no USB 2.0 ports.
  • MSI B840M Gaming Plus Wi-Fi6E does not have a DisplayPort output, while MSI B850M Gaming Plus Wi-Fi6E has 1 DisplayPort output.
  • MSI B840M Gaming Plus Wi-Fi6E does not have a USB-C 3.2 Gen 2 port (through expansion), while MSI B850M Gaming Plus Wi-Fi6E has 1 USB-C 3.2 Gen 2 port (through expansion).
  • MSI B840M Gaming Plus Wi-Fi6E has 1 PCIe x4 slot, while MSI B850M Gaming Plus Wi-Fi6E has no PCIe x4 slot.
  • MSI B840M Gaming Plus Wi-Fi6E has no PCIe x1 slots, while MSI B850M Gaming Plus Wi-Fi6E has 2 PCIe x1 slots.
Specs Comparison
MSI B840M Gaming Plus Wi-Fi6E

MSI B840M Gaming Plus Wi-Fi6E

MSI B850M Gaming Plus Wi-Fi6E

MSI B850M Gaming Plus Wi-Fi6E

General info:
CPU socket AM5 AM5
chipset B840 B850
form factor Micro-ATX Micro-ATX
release date June 2025 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) 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 5.3
HDMI version HDMI 2.1 HDMI 2.1
Easy to overclock
has RGB lighting
Easy to reset BIOS
Has dual BIOS
has aptX
CPU sockets 1 1
Has integrated graphics
warranty period 3 years 3 years
height 243.8 mm 243.8 mm
width 243.8 mm 243.8 mm
Has integrated CPU

Both the MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E are Micro-ATX motherboards with an AM5 CPU socket, supporting Wi-Fi 6E (802.11ax) along with older Wi-Fi standards, and Bluetooth 5.3. The two boards are very similar in form factor, chipset, and networking capabilities, but there are a few key differences to note.

Both products feature HDMI 2.1, RGB lighting, and are designed to be easy to overclock and reset BIOS. They also come with a 3-year warranty and share identical dimensions of 243.8mm in both height and width. However, the MSI B850M Gaming Plus Wi-Fi6E does have one distinction: it includes dual BIOS support, while the B840M Gaming Plus does not.

Neither board includes integrated graphics or an integrated CPU, and both lack support for aptX, which may be important for specific audio use cases. Overall, the two motherboards are quite similar, with the main difference being the addition of dual BIOS on the B850M Gaming Plus Wi-Fi6E.

Memory:
maximum memory amount 256GB 256GB
RAM speed (max) 5600 MHz 5600 MHz
overclocked RAM speed 8000 MHz 8200 MHz
memory slots 4 4
DDR memory version 5 5
memory channels 2 2
Supports ECC memory

The MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E offer similar memory specifications, with both motherboards supporting up to 256GB of maximum memory. They both also feature four memory slots, DDR5 memory, and dual memory channels, which should provide solid performance for most gaming and multitasking needs.

When it comes to RAM speed, both boards support a maximum speed of 5600 MHz, but the MSI B850M Gaming Plus Wi-Fi6E has a slight edge with its overclocked RAM speed of 8200 MHz, compared to the 8000 MHz overclocked RAM speed of the MSI B840M Gaming Plus Wi-Fi6E.

Neither motherboard supports ECC memory, which means they’re geared more toward consumer use rather than enterprise-level applications that require error-correcting code memory.

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

The MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E differ slightly in their USB port offerings. The B840M has one USB 3.2 Gen 2 (USB-A) port, two USB 3.2 Gen 1 (USB-A) ports, and one USB 3.2 Gen 2 (USB-C) port. It also includes four USB 2.0 ports but lacks USB 3.2 Gen 2x2, USB 4, Thunderbolt ports, or DisplayPort outputs.

On the other hand, the MSI B850M Gaming Plus Wi-Fi6E offers a more generous selection, with four USB 3.2 Gen 2 (USB-A) ports and four USB 3.2 Gen 1 (USB-A) ports. Like the B840M, it has one USB 3.2 Gen 2 (USB-C) port but does not include USB 3.2 Gen 1 (USB-C) ports. The B850M also includes a DisplayPort output, which the B840M lacks.

Both motherboards share the same HDMI output and RJ45 port, and neither has a VGA connector or PS/2 ports. Additionally, neither supports eSATA, DVI outputs, or Thunderbolt 4/3 ports. Overall, the B850M provides a few extra USB ports and the added benefit of DisplayPort output.

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

The MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E share many of the same connectors, with both offering 2 USB 3.2 Gen 1 ports (through expansion), 4 USB 2.0 ports (through expansion), and 2 USB 3.0 ports (through expansion). They both also feature 4 SATA 3 connectors and 2 M.2 sockets, as well as 5 fan headers, providing ample connectivity options for both motherboards.

There is a small difference between the two models in terms of USB-C 3.2 Gen 2 ports (through expansion). The B840M has none, while the B850M offers 1 such port. Additionally, both motherboards include a TPM connector, but neither supports U.2 or mSATA connectors, and both have no SATA 2 connectors.

Overall, the B850M provides slightly more flexibility with the addition of a USB-C 3.2 Gen 2 port, while the rest of the connector features are identical across the two boards.

Expansion slots:
PCIe 4.0 x16 slots 1 1
PCIe 5.0 x16 slots 0 0
PCIe 3.0 x16 slots 0 0
PCIe x1 slots 0 2
PCI slots 0 0
PCIe 2.0 x16 slots 0 0
PCIe x4 slots 1 0
PCIe x8 slots 0 0

The MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E differ slightly in their expansion slots. Both motherboards feature one PCIe 4.0 x16 slot, but the B840M also includes one PCIe x4 slot, while the B850M has two PCIe x1 slots instead. Neither motherboard includes PCI slots, PCIe 2.0 x16 slots, or PCIe 3.0 x16 slots.

Additionally, the B840M lacks PCIe x8 slots, whereas the B850M does not include PCIe x4 or PCIe x8 slots. Both motherboards do not have PCIe 5.0 x16 slots, so expansion options in terms of newer PCIe versions are limited to PCIe 4.0.

In summary, while both motherboards provide similar expansion slots, the B840M offers a PCIe x4 slot, and the B850M offers two PCIe x1 slots, offering some differences in terms of available slot configurations for add-on cards.

Audio:
audio channels 7.1 7.1
Has S/PDIF Out port
audio connectors 3 3

Both the MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E feature 7.1 audio channels, offering rich, high-quality sound for gaming and media consumption. Both boards also have three audio connectors, providing basic connectivity for audio devices like headphones, speakers, or microphones.

Neither motherboard includes an S/PDIF Out port, which means neither offers the digital audio output typically used for high-quality audio to external receivers or sound systems.

Overall, the audio specifications are identical across both motherboards, with no differences in channels, connectors, or S/PDIF support.

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 and MSI B850M Gaming Plus Wi-Fi6E have identical storage capabilities when it comes to RAID support. Both motherboards support RAID 1, RAID 10 (1+0), and RAID 0, allowing for a range of data redundancy and performance configurations. Neither motherboard supports RAID 5 or RAID 0+1, limiting options for those particular RAID setups.

In summary, there are no differences in RAID support between the two boards, as both offer the same set of RAID configurations.

Comparison Summary

This is a specification comparison between MSI B840M Gaming Plus Wi-Fi6E and MSI B850M Gaming Plus Wi-Fi6E. Both products share features such as an AM5 CPU socket, Wi-Fi 6E support, and Bluetooth 5.3. However, they differ in several areas: the chipset is B840 on the MSI B840M Gaming Plus Wi-Fi6E and B850 on the MSI B850M Gaming Plus Wi-Fi6E, MSI B840M Gaming Plus Wi-Fi6E does not have dual BIOS while MSI B850M Gaming Plus Wi-Fi6E does, and MSI B840M Gaming Plus Wi-Fi6E offers 1 USB 3.2 Gen 2 port (USB-A), while MSI B850M Gaming Plus Wi-Fi6E provides 4 USB 3.2 Gen 2 ports (USB-A). Additionally, MSI B840M Gaming Plus Wi-Fi6E has 4 USB 2.0 ports, while MSI B850M Gaming Plus Wi-Fi6E lacks these ports, and MSI B840M Gaming Plus Wi-Fi6E includes 1 PCIe x4 slot, while MSI B850M Gaming Plus Wi-Fi6E does not have this slot.