MSI B850 MLG Edition specifications and in-depth review

MSI B850 MLG Edition

Manufacturer: MSI

The MSI B850 MLG Edition is a high-performance motherboard designed for gamers and enthusiasts. Featuring an AM5 CPU socket, this ATX motherboard supports Wi-Fi 7 (802.11be) and offers a maximum memory capacity of 256GB with DDR5 support.

It includes a range of connectivity options, including USB 3.2 Gen 2 ports, HDMI 2.1 output, and a PCIe 5.0 x16 slot. The motherboard supports various RAID configurations such as RAID 0, 1, and 10, and is equipped with 8 fan headers for optimal cooling during intense usage.

Pros
  • Supports a wide range of Wi-Fi versions, from Wi-Fi 4 to Wi-Fi 7 (802.11be), providing flexibility for network connectivity.
  • Includes RGB lighting for aesthetic customization.
  • Offers 4 M.2 sockets for fast storage expansion.
  • Equipped with 8 fan headers, ideal for custom cooling setups.
  • Supports RAID 0, 1, and 10 configurations for various storage needs.
Cons
  • Lacks support for RAID 5 and RAID 0+1, limiting certain storage configurations.
  • Does not include integrated graphics, requiring a separate GPU for display output.
  • No Thunderbolt 3 or 4 support, limiting high-speed peripheral connectivity.
  • Lacks mSATA and U.2 sockets, reducing compatibility with certain older or specific storage devices.
Who is this for?

The MSI B850 MLG Edition motherboard is well-suited for users looking for a high-performance platform for gaming or content creation. Its support for Wi-Fi 4 to Wi-Fi 7 provides versatile connectivity options, while 4 M.2 sockets enable rapid storage expansion. Additionally, its RAID 1, 10, and 0 support makes it a strong choice for users requiring robust and flexible storage configurations, especially for data redundancy or speed. With 8 fan headers, it's ideal for users looking to build a highly customizable, cooling-efficient system.

Who is this NOT for?

This motherboard is not ideal for users who require integrated graphics, as it does not include integrated graphics, necessitating a dedicated GPU. It may also not be suitable for users needing RAID 5 support, as this configuration is not available. Additionally, professionals needing Thunderbolt ports or compatibility with mSATA and U.2 storage devices may find this board lacking in certain expansion capabilities, limiting its suitability for advanced peripheral setups or older storage technologies.

General info:

CPU socket AM5
chipset B850
form factor ATX
release date August 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 7 (802.11be)
Has Bluetooth
Bluetooth version 5.4
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 304.8 mm
Has integrated CPU

The MSI B850 MLG Edition motherboard features an AM5 CPU socket and supports the B850 chipset, with a standard ATX form factor. It includes support for a wide range of Wi-Fi versions, from Wi-Fi 4 to the latest Wi-Fi 7 (802.11be), along with Bluetooth 5.4. The board offers RGB lighting for customization and easy overclocking capabilities. It also comes with an HDMI 2.1 output, and a 3-year warranty. While it lacks dual BIOS support and integrated graphics, the board is designed for easy BIOS resets and does not include aptX support.

Memory:

maximum memory amount 256GB
overclocked RAM speed 8400 MHz
memory slots 4
DDR memory version 5
memory channels 2
Supports ECC memory

The MSI B850 MLG Edition motherboard supports a maximum memory capacity of 256GB with DDR5 RAM across four memory slots and two memory channels. It is capable of overclocking RAM up to 8400 MHz, offering substantial performance potential. However, it does not support ECC memory, which means it is not designed for error-correcting memory modules.

Ports:

USB 3.2 Gen 2 ports (USB-A) 2
USB 3.2 Gen 1 ports (USB-A) 4
USB 3.2 Gen 2 ports (USB-C) 3
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 B850 MLG Edition motherboard offers a wide range of connectivity options, including 2 USB 3.2 Gen 2 (USB-A) ports, 3 USB 3.2 Gen 2 (USB-C) ports, and 4 USB 3.2 Gen 1 (USB-A) ports. It also features HDMI output for video, an RJ45 Ethernet port for network connectivity, and USB Type-C support. Notably, it lacks Thunderbolt, eSATA, and VGA connectors, while offering no DisplayPort or DVI outputs.

Connectors:

USB 3.2 Gen 1 ports (through expansion) 4
USB 2.0 ports (through expansion) 4
SATA 3 connectors 4
fan headers 8
USB 3.0 ports (through expansion) 4
M.2 sockets 4
Has TPM connector
U.2 sockets 0
Has mSATA connector
SATA 2 connectors 0

The MSI B850 MLG Edition motherboard includes a variety of connectors for expandability, such as 4 USB 3.2 Gen 1 ports and 4 USB 3.0 ports through expansion. It features 4 M.2 sockets for storage and has 8 fan headers for cooling solutions. Additionally, it supports a TPM connector for added security but does not include mSATA or U.2 sockets, and lacks SATA 2 connectors.

Expansion slots:

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

The MSI B850 MLG Edition motherboard features a PCIe 5.0 x16 slot for high-performance graphics or expansion cards, along with a PCIe x4 slot for additional expansion needs. It also includes a PCIe x1 slot for smaller add-ons, while lacking support for PCIe 4.0 or PCIe 3.0 x16 slots, and older PCI slots. The board does not include PCIe 2.0 x16 or PCIe x8 slots.

Audio:

Signal-to-Noise ratio (DAC) 120 dB
audio channels 7.1
Has S/PDIF Out port
audio connectors 2

The MSI B850 MLG Edition motherboard delivers high-quality audio with a 120 dB Signal-to-Noise ratio (DAC) and supports 7.1 audio channels for immersive sound. It also includes an S/PDIF Out port for digital audio output and features 2 audio connectors for additional sound device connections.

Storage:

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

The MSI B850 MLG Edition motherboard supports several RAID configurations, including RAID 1, RAID 10 (1+0), and RAID 0 for flexible storage management and performance. However, it does not support RAID 5 or RAID 0+1.

Final Verdict

The MSI B850 MLG Edition motherboard is a solid choice for gamers and content creators seeking a versatile, high-performance platform. Its support for Wi-Fi 7, RAID configurations, and multiple M.2 sockets makes it well-suited for building a powerful and future-proof system. While it lacks integrated graphics and some advanced connectivity options like Thunderbolt, its expansive storage and cooling capabilities ensure it will meet the demands of most performance-focused users. Overall, it’s a great option for users who prioritize flexibility, expandability, and high-speed connectivity.

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