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MSI B550M Pro Review | 107 Data compared

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  • Avg. price in UK: ~£80
  • Avg. price in US: ~$90
  • CPU socket: AM4
  • Chipset: AMD B550
  • Form factor: microATX

MSI B550M Pro review. Compare 107 technical specifications and user reviews to see how it ranks among motherboards and if it is worth buying.

5.0

Overall score

What it is: An overall evaluation of the motherboard's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best motherboards on the market.

Score components:

90.0%

5.0

Technical Score

10.0%

?

User score

Good
5.0

Technical Score

What it is: An assessment of the motherboard's technical performance, covering key areas such as power delivery, CPU and memory support, expansion, storage, connectivity, cooling, BIOS features, and design.

When it matters: When you want to compare motherboards based on technical performance and available features.

Score components:

19.0%

4.2

Memory

16.0%

7.5

Platform & Features

16.0%

4.9

Storage

15.0%

5.7

Network

13.0%

2.0

Ports & USB

8.0%

4.5

Expansion

8.0%

4.7

Power & Cooling

5.0%

6.8

Audio

Good
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the motherboard.

When it matters: When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 3.8
    Gaming

    Score components:

    28.0%

    4.5

    VRM phases

    22.0%

    3.3

    N. of M.2 sockets

    18.0%

    4.6

    LAN speed

    17.0%

    5.2

    Maximum RAM speed

    15.0%

    1.0

    N. of PCIe 5.0 x16 slots

  • No image
No image

Best prices in UK

    N/A~ £80

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The MSI B550M PRO is a budget-friendly Micro-ATX motherboard designed for AMD Ryzen 5000 and 3000 series processors on the AM4 socket. It features the AMD B550 chipset, offering PCIe 4.0 support for a primary graphics card slot and one M.2 NVMe slot (Gen4 x4), alongside two DDR4 memory slots supporting up to 64GB at overclocked speeds of 4600MHz. Key characteristics include a 2oz thickened copper PCB for improved heat dissipation, Core Boost technology for stable power delivery, and a dedicated Flash BIOS button for easy updates without a CPU installed. Its primary advantages are its extreme affordability, compact form factor, and inclusion of modern standards like HDMI 2.1 and DisplayPort for integrated graphics. However, notable drawbacks include a limited selection of only two RAM slots, a basic VRM design without heatsinks that is unsuitable for high-end overclocking, and a lack of built-in Wi-Fi or Bluetooth.

Technical Specifications of MSI B550M Pro

Technical Score

What it is: An assessment of the motherboard's technical performance, covering key areas such as power delivery, CPU and memory support, expansion, storage, connectivity, cooling, BIOS features, and design.

When it matters: When you want to compare motherboards based on technical performance and available features.

Score components:

19.0%

?

Memory

16.0%

?

Platform & Features

16.0%

?

Storage

15.0%

?

Network

13.0%

?

Ports & USB

8.0%

?

Expansion

8.0%

?

Power & Cooling

5.0%

?

Audio

5.0
MSI B550M Pro has a technical score of 4.96 points, which is lower than that of 79.9% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the motherboard.

When it matters: When you want to understand how a motherboard performs in real-world builds and how reliable it is in terms of stability, BIOS usability, connectivity, and long-term ownership.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the motherboard.
When it matters: When you prefer a motherboard that has already been bought and reviewed by many other users.
1.0
MSI B550M Pro has a popularity of 1 points, which is lower than 77.9% of products in this category.
Ratio quality/price

What it is: An indicator that combines the motherboard's overall rating with its cost.

When it matters: When you are looking for a motherboard that offers a strong balance of features, performance, and price.

Score components:

60.0%

5.0

Overall score

40.0%

10

Price

6.5
MSI B550M Pro has a quality-to-price ratio of 6.5 points, which is lower than 79.3% of products in this category.
Brand name
What it is: The brand that makes the motherboard.
When it matters: When you have a brand preference for support, BIOS, or build quality.

Importance: MEDIUM

MSI
CPU socket
What it is: The socket type the motherboard is built to support.
When it matters: When you need the motherboard to match a specific CPU.

Importance: HIGH

AM4
MSI B550M Pro uses the AM4 CPU socket, which is more advanced than that of 38.5% of motherboards and equal to that of 13.3% of motherboards.
CPU platform

Importance: MEDIUM

AMD
Chipset
What it is: The chipset that defines the motherboard platform and many of its features.
When it matters: When you compare platform features, connectivity, and CPU support.

Importance: HIGH

AMD B550
MSI B550M Pro uses the AMD B550 chipset, which is more advanced than that of 50.5% of motherboards and equal to that of 4.4% of motherboards.
Form factor
What it is: The physical size standard of the motherboard, such as ATX or Micro-ATX.
When it matters: When you need the board to fit a specific case size.

Importance: HIGH

microATX
MSI B550M Pro has the microATX form factor, which is less versatile than that of 52.2% of motherboards and equal to that of 32.4% of motherboards.
Show more
DDR memory version
What it is: The RAM generation the motherboard supports, such as DDR4 or DDR5.
When it matters: When you need the board to match a certain memory platform.

Importance: HIGH

Good value: DDR5

DDR4
MSI B550M Pro uses DDR4 memory, which is newer than that of 13.6% of motherboards and equal to that of 51% of motherboards.
Memory slots
What it is: The number of RAM slots on the motherboard.
When it matters: When you want more room for future memory upgrades.

Importance: HIGH

Good value: >=4

2
MSI B550M Pro has 2 Memory slots, which is fewer than 78.6% of motherboards and equal to 21.4% of motherboards.
Maximum memory capacity
What it is: The largest total amount of RAM the motherboard supports.
When it matters: When you plan a build with very high memory capacity.

Importance: HIGH

Good value: >=128 GB

64 GB
MSI B550M Pro supports up to 64 GB of memory, which is less than 62.6% of motherboards and equal to 24.3% of motherboards.
Memory channels
What it is: The memory channel configuration supported by the motherboard platform.
When it matters: When memory bandwidth matters for your build.

Importance: MEDIUM

2
MSI B550M Pro supports 2 memory channels, which is more than 0.2% of motherboards and equal to 92.5% of motherboards.
Maximum RAM speed
What it is: The highest officially supported memory speed for the motherboard.
When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=6400 MT/s

4,600 MT/s
MSI B550M Pro supports memory speeds up to 4600 MT/s, which is higher than that of 49.1% of motherboards and equal to that of 1% of motherboards.
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N. of M.2 sockets
What it is: The number of M.2 slots available on the motherboard.
When it matters: When you want room for more NVMe or M.2 drives.

Importance: HIGH

Good value: >=3

1
MSI B550M Pro has 1 M.2 sockets, which is fewer than 69.2% of motherboards and equal to 19.1% of motherboards.
M.2 slot interface per slot
What it is: The storage or PCIe interface available for each M.2 slot on the motherboard.
When it matters: When you want to check which drives each M.2 slot can use.

Importance: HIGH

1x PCIe 4.0 x4/SATA
MSI B550M Pro offers 1x PCIe 4.0x4/SATA for M.2 slot interfaces, which is slower than that of 54.6% of motherboards and equal to that of 0.9% of motherboards.
N. of SATA 3 connectors
What it is: The number of SATA 6Gb/s connectors on the motherboard.
When it matters: When you plan to connect multiple SATA drives.

Importance: MEDIUM

Good value: >=6

4
MSI B550M Pro has 4 SATA 3 connectors, which is more than 5.6% of motherboards and equal to 46.3% of motherboards.
Supported RAID levels
What it is: The RAID modes officially supported by the motherboard storage platform.
When it matters: When you plan to use multiple drives in a RAID setup.

Importance: MEDIUM

0/1/10
MSI B550M Pro supports RAID levels 0/1/10, which is narrower than 68.3% of motherboards and equal to 23.2% of motherboards.
SATA only
NVMe RAID support
What it is: Shows whether the board supports RAID configurations that use NVMe SSDs.
When it matters: When you plan to use multiple NVMe drives in RAID.

Importance: LOW

yes
MSI B550M Pro supports NVMe RAID. 40.3% of motherboards support this feature.
Show more
N. of PCIe 5.0 x16 slots
What it is: The number of PCIe 5.0 x16 physical slots on the motherboard.
When it matters: When you want the newest high-bandwidth expansion slots.

Importance: HIGH

Good value: >=1

0
MSI B550M Pro has 0 PCIe 5.0x16 slots, which is equal to 68.5% of motherboards.
N. of PCIe 4.0 x16 slots
What it is: The number of PCIe 4.0 x16 physical slots on the motherboard.
When it matters: When you want more room for modern expansion cards.

Importance: HIGH

Good value: >=1

1
MSI B550M Pro has 1 PCIe 4.0x16 slots, which is more than 55.6% of motherboards and equal to 35.3% of motherboards.
N. of PCIe 3.0 x16 slots
What it is: The number of PCIe 3.0 x16 physical slots on the motherboard.
When it matters: When you need more full-length expansion slots.

Importance: MEDIUM

0
MSI B550M Pro has 0 PCIe 3.0x16 slots, which is fewer than 59.5% of motherboards and equal to 40.5% of motherboards.
runs at x4 mode
PCIe slot electrical configuration
What it is: The actual lane wiring used by the motherboard PCIe slots.
When it matters: When you need to know how much bandwidth each slot really gets.

Importance: HIGH

?
PCIe bifurcation support
What it is: Shows whether the board can split PCIe lanes across multiple devices from one slot or link.
When it matters: When you plan multi-SSD adapters or more advanced expansion setups.

Importance: MEDIUM

yes
MSI B550M Pro supports PCIe bifurcation. 39.1% of motherboards support this feature.
Show more
Total USB ports (rear I/O)
What it is: The total number of rear USB ports available on the motherboard.
When it matters: When you use many USB devices directly from the back of the PC.

Importance: MEDIUM

Good value: >=8

6
MSI B550M Pro has 6 USB ports (rear I/O), which is fewer than 64.2% of motherboards and equal to 32.9% of motherboards.
Total USB ports (including headers)
What it is: The total number of USB ports supported when rear ports and internal headers are counted together.
When it matters: When you want to know the board's full USB expansion potential.

Importance: MEDIUM

Good value: >=14

12
MSI B550M Pro has 12 USB ports (including headers), which is fewer than 72.4% of motherboards and equal to 16.6% of motherboards.
Total USB-C ports (rear I/O)
What it is: The total number of rear USB-C ports on the motherboard.
When it matters: When you want more USB-C devices connected without adapters.

Importance: MEDIUM

Good value: >=1

0
MSI B550M Pro has 0 USB-C ports (rear I/O), which is fewer than 64.6% of motherboards and equal to 35.4% of motherboards.
Total USB-C ports (including headers)
What it is: The total number of USB-C ports supported when rear ports and internal headers are counted together.
When it matters: When you want more USB-C connectivity across the whole build.

Importance: MEDIUM

Good value: >=2

1
MSI B550M Pro has 1 USB-C ports (including headers), which is more than 30.5% of motherboards and equal to 21.3% of motherboards.
N. of USB 3.2 Gen2x2 ports (USB-C)
What it is: The number of rear USB 3.2 Gen2x2 Type-C ports on the motherboard.
When it matters: When you want very fast USB-C connectivity on the rear I/O.

Importance: HIGH

Good value: >=1

0
MSI B550M Pro has 0 USB 3.2 Gen2x2 ports (USB-C), which is equal to 81.6% of motherboards.
Show more
LAN speed
What it is: The maximum wired Ethernet speed supported by the motherboard.
When it matters: When you want faster wired networking.

Importance: HIGH

Good value: 2.5GbE

1 Gbps
MSI B550M Pro supports LAN speeds up to 1 Gbps, which is lower than that of 50.8% of motherboards and equal to that of 49.1% of motherboards.
LAN controller
What it is: The model of onboard Ethernet controller used by the motherboard.
When it matters: When you compare networking hardware quality and features.

Importance: MEDIUM

Realtek RTL8111H
MSI B550M Pro uses the Realtek RTL8111H LAN controller, which is less advanced than that of 74.7% of motherboards and equal to that of 10.2% of motherboards.
N. of RJ45 ports
What it is: The number of wired Ethernet ports on the motherboard.
When it matters: When you need one or more wired network connections.

Importance: LOW

1
MSI B550M Pro has 1 RJ45 ports, which is equal to 85.6% of motherboards.
Wi-Fi connectivity
What it is: Shows whether the motherboard includes onboard Wi-Fi hardware instead of requiring a separate adapter.
When it matters: When you want wireless networking without adding an extra card.

Importance: MEDIUM

no
MSI B550M Pro does not support Wi-Fi connectivity. 49.1% of motherboards support this feature.
Wi-Fi version
What it is: The supported Wi-Fi generation, such as Wi-Fi 6 or Wi-Fi 7.
When it matters: When you care about wireless speed and router compatibility.

Importance: MEDIUM

Good value: Wi-Fi 6E (802.11ax)

Wi-Fi 5 (802.11ac)
MSI B550M Pro supports Wi-Fi 5 (802.11ac), which is newer than that of 49.7% of motherboards and equal to that of 10.7% of motherboards.
Show more
Audio codec
What it is: The onboard audio codec used by the motherboard.
When it matters: When sound quality from the built-in audio matters to you.

Importance: MEDIUM

?
Audio channels
What it is: The audio channel configuration supported by the onboard sound solution.
When it matters: When you want surround sound from the motherboard audio outputs.

Importance: LOW

Good value: 7.1

7.1
MSI B550M Pro offers 7.1 audio channels, which is more than 4.9% of motherboards and equal to 95.1% of motherboards.
Audio SNR
What it is: The signal-to-noise ratio of the onboard audio solution.
When it matters: When you care about cleaner onboard audio output.

Importance: MEDIUM

Good value: >=120 dB

97 dB
MSI B550M Pro has an audio SNR of 97 dB, which is lower than that of 67.3% of motherboards and equal to that of 16.8% of motherboards.
Headphone amp support
What it is: Shows whether the onboard audio path includes dedicated headphone amplification for harder-to-drive headsets.
When it matters: When you use harder-to-drive headphones from the onboard audio.

Importance: LOW

no
MSI B550M Pro does not support a headphone amp. 63% of motherboards support this feature.
N. of 3.5mm audio jacks
What it is: The number of rear 3.5mm audio jacks on the motherboard.
When it matters: When you want more analog audio connection options.

Importance: LOW

Good value: >=5

3
MSI B550M Pro has 3 3.5mm audio jacks, which is fewer than 50.3% of motherboards and equal to 38.2% of motherboards.
Show more
VRM phases
What it is: The number of power-delivery phases used by the motherboard VRM.
When it matters: When you care about CPU power delivery and overclocking headroom.

Importance: HIGH

Good value: >=12

4+2
MSI B550M Pro has 4+2 VRM phases, which is fewer than 88.6% of motherboards and equal to 5.8% of motherboards.
N. of CPU power connectors
What it is: The number of CPU power connectors on the motherboard.
When it matters: When you care about power delivery for higher-end CPUs.

Importance: HIGH

Good value: >=2

1
MSI B550M Pro has 1 CPU power connectors, which is equal to 54.5% of motherboards.
N. of fan headers
What it is: The number of headers available for case or CPU fans.
When it matters: When your build uses several fans.

Importance: MEDIUM

Good value: >=6

2
MSI B550M Pro has 2 fan headers, which is fewer than 91.7% of motherboards and equal to 8.3% of motherboards.
Pump header
What it is: Shows whether the motherboard includes a dedicated header designed for a liquid-cooling pump.
When it matters: When you build with an AIO or custom liquid cooling loop.

Importance: MEDIUM

yes
MSI B550M Pro has a pump header. 23.1% of motherboards include this feature.
Pump header max current
What it is: The maximum current the dedicated pump header can supply.
When it matters: When you want to make sure the pump header can power your cooling setup.

Importance: LOW

Good value: >=2 A

0 A
MSI B550M Pro supports up to 0 A on the pump header, which is lower than that of 74.3% of motherboards and equal to that of 25.7% of motherboards.
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MSI B550M Pro vs the average motherboard

  • Integrated I/O shield
    MSI B550M Pro has an integrated I/O shield, while the average motherboard does not. 46.1% of motherboards include an integrated I/O shield.
    What it is: Shows whether the rear I/O shield comes pre-mounted on the motherboard instead of being installed separately.
    When it matters: When you want an easier motherboard installation process.

    Importance: LOW

    MSI B550M Pro has an integrated I/O shield, while the average motherboard does not. 46.1% of motherboards include an integrated I/O shield.
  • 1 more PCIe 4.0x16 slots
    MSI B550M Pro has more PCIe 4.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 4.0x16 slot/s.
    What it is: The number of PCIe 4.0 x16 physical slots on the motherboard.
    When it matters: When you want more room for modern expansion cards.

    Importance: HIGH

    Good value: >=1

    MSI B550M Pro has more PCIe 4.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 4.0x16 slot/s.1 vs 0
  • Newer CPU socket
    MSI B550M Pro has newer CPU socket than the average motherboard (AM4 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.
    What it is: The socket type the motherboard is built to support.
    When it matters: When you need the motherboard to match a specific CPU.

    Importance: HIGH

    MSI B550M Pro has newer CPU socket than the average motherboard (AM4 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.AM4 vs LGA 1151
  • 95 mm shorter
    MSI B550M Pro is shorter than the average motherboard (210 mm vs 305 mm). The average motherboard height is 305 mm.
    What it is: The physical height of the motherboard.
    When it matters: When you check case fit or compare board size.

    Importance: LOW

    MSI B550M Pro is shorter than the average motherboard (210 mm vs 305 mm). The average motherboard height is 305 mm.210 mm vs 305 mm
  • Includes VGA connector
    MSI B550M Pro has a VGA connector, while the average motherboard does not. 22% of motherboards include a VGA connector.
    What it is: Shows whether the rear I/O includes an analog VGA display output.
    When it matters: When you need compatibility with older displays or projectors.

    Importance: LOW

    MSI B550M Pro has a VGA connector, while the average motherboard does not. 22% of motherboards include a VGA connector.
  • 2x cheaper
    MSI B550M Pro is cheaper than the average motherboard (£80 vs £160).
    MSI B550M Pro is cheaper than the average motherboard (£80 vs £160).£80 vs £160
  • 1 more PCIe x1 slots
    MSI B550M Pro has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.
    What it is: The number of PCIe x1 slots on the motherboard.
    When it matters: When you want space for smaller add-in cards.

    Importance: MEDIUM

    Good value: >=2

    MSI B550M Pro has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.2 vs 1
  • 34 mm narrower
    MSI B550M Pro is narrower than the average motherboard (210 mm vs 244 mm). The average motherboard width is 244 mm.
    What it is: The physical width of the motherboard.
    When it matters: When you check case fit or compare board size.

    Importance: LOW

    MSI B550M Pro is narrower than the average motherboard (210 mm vs 244 mm). The average motherboard width is 244 mm.210 mm vs 244 mm
  • Integrated I/O shield
    MSI B550M Pro has an integrated I/O shield, while the average motherboard does not. 46.1% of motherboards include an integrated I/O shield.
  • Newer CPU socket
    MSI B550M Pro has newer CPU socket than the average motherboard (AM4 vs LGA 1,151). The average motherboard uses LGA 1,151 CPU socket.
  • 1 more PCIe 4.0x16 slots
    MSI B550M Pro has more PCIe 4.0x16 slots than the average motherboard (1 vs 0). The average motherboard has 0 PCIe 4.0x16 slot/s.
  • 1 more PCIe x1 slots
    MSI B550M Pro has more PCIe x1 slots than the average motherboard (2 vs 1). The average motherboard has 1 PCIe x1 slot/s.
  • Includes VGA connector
    MSI B550M Pro has a VGA connector, while the average motherboard does not. 22% of motherboards include a VGA connector.
  • 95 mm shorter
    MSI B550M Pro is shorter than the average motherboard (210 mm vs 305 mm). The average motherboard height is 305 mm.
  • 34 mm narrower
    MSI B550M Pro is narrower than the average motherboard (210 mm vs 244 mm). The average motherboard width is 244 mm.

Total
Overall
Platform & Features
Expansion
Ports & USB
Power & Cooling
  • More basic motherboard chipset
    MSI B550M Pro has more basic motherboard chipset than the average motherboard (AMD B550 vs Intel B860). The average motherboard uses Intel B860 chipset.
  • Not suitable for gaming
    MSI B550M Pro is not suitable for gaming, while the average motherboard is. 86.3% of motherboards are suitable for gaming.
    business/productivity-focused
  • Less versatile form factor
    MSI B550M Pro has less versatile form factor than the average motherboard (microATX vs ATX). The average motherboard comes in ATX form factor.
  • 2 fewer memory slots
    MSI B550M Pro has fewer memory slots than the average motherboard (2 vs 4). The average motherboard has 4 memory slot/s.
  • 50% less maximum memory capacity
    MSI B550M Pro has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
  • Slower M.2 slot interfaces
    MSI B550M Pro has slower M.2 slot interfaces than the average motherboard (1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
  • 1 fewer M.2 sockets
    MSI B550M Pro has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.
  • Fewer RAID options
    MSI B550M Pro has fewer RAID options than the average motherboard (0/1/10 vs 0/1/5/10). The average motherboard has 0/1/5/10 RAID level/s.
    SATA only
  • No multi-GPU support
    MSI B550M Pro does not support multi-GPU, while the average motherboard does. 54.6% of motherboards support multi-GPU.
  • 1 fewer PCIe 3.0x16 slots
    MSI B550M Pro has fewer PCIe 3.0x16 slots than the average motherboard (0 vs 1). The average motherboard has 1 PCIe 3.0x16 slot/s.
    runs at x4 mode
  • 2 fewer rear USB ports
    MSI B550M Pro has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.
  • 1 fewer rear USB-C ports
    MSI B550M Pro has fewer rear USB-C ports than the average motherboard (0 vs 1). The average motherboard has 1 rear USB-C port/s.
  • 3 fewer total USB connections
    MSI B550M Pro has fewer total USB connections than the average motherboard (12 vs 15). The average motherboard has 15 total USB connections.
  • 1 fewer USB 3.2 Gen2 ports
    MSI B550M Pro has fewer USB 3.2 Gen2 ports than the average motherboard (0 vs 1). The average motherboard has 1 USB 3.2 Gen2 port/s.
  • 60% lower LAN speed
    MSI B550M Pro has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
  • More basic LAN controller
    MSI B550M Pro has more basic LAN controller than the average motherboard (Realtek RTL8,111H vs Marvell AQtion AQC113C). The average motherboard uses Marvell AQtion AQC113C LAN controller.
  • No Wi-Fi antenna included
    MSI B550M Pro does not include a Wi-Fi antenna, while the average motherboard does. 51.1% of motherboards include a Wi-Fi antenna.
  • Older Bluetooth version
    MSI B550M Pro has older Bluetooth version than the average motherboard (4.2 vs 5.4). The average motherboard supports Bluetooth 5.4.
  • 18 dB lower audio SNR
    MSI B550M Pro has a lower audio SNR than the average motherboard (97 dB vs 115 dB). The average motherboard has audio SNR of 115 dB.
  • No headphone amp support
    MSI B550M Pro does not support a headphone amp, while the average motherboard does. 63% of motherboards support a headphone amp.
  • 2 fewer 3.5mm audio jacks
    MSI B550M Pro has fewer 3.5mm audio jacks than the average motherboard (3 vs 5). The average motherboard has 5 3.5mm audio jacks.
  • No optical S/PDIF out
    MSI B550M Pro does not have optical S/PDIF out, while the average motherboard does. 55.7% of motherboards include optical S/PDIF out.
  • Fewer VRM phases
    MSI B550M Pro has fewer VRM phases than the average motherboard (4+2 vs 10). The average motherboard has 10 VRM phase/s.
  • 2 fewer ARGB headers
    MSI B550M Pro has fewer ARGB headers than the average motherboard (0 vs 2). The average motherboard has 2 ARGB header/s.
  • 3 fewer fan headers
    MSI B550M Pro has fewer fan headers than the average motherboard (2 vs 5). The average motherboard has 5 fan header/s.
  • No onboard RGB lighting
    MSI B550M Pro does not have onboard RGB lighting, while the average motherboard does. 50.3% of motherboards include onboard RGB lighting.
  • 2 A lower pump header current limit
    MSI B550M Pro has a lower pump header current than the average motherboard (0 A vs 2 A). The average motherboard provides pump header current of 2 A.
  • 60% lower LAN speed
    MSI B550M Pro has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.
    What it is: The maximum wired Ethernet speed supported by the motherboard.
    When it matters: When you want faster wired networking.

    Importance: HIGH

    Good value: 2.5GbE

    MSI B550M Pro has a lower LAN speed than the average motherboard (1 Gbps vs 2.5 Gbps). The average motherboard offers LAN speed of 2.5 Gbps.1 Gbps vs 2.5 Gbps
  • More basic LAN controller
    MSI B550M Pro has more basic LAN controller than the average motherboard (Realtek RTL8,111H vs Marvell AQtion AQC113C). The average motherboard uses Marvell AQtion AQC113C LAN controller.
    What it is: The model of onboard Ethernet controller used by the motherboard.
    When it matters: When you compare networking hardware quality and features.

    Importance: MEDIUM

    MSI B550M Pro has more basic LAN controller than the average motherboard (Realtek RTL8,111H vs Marvell AQtion AQC113C). The average motherboard uses Marvell AQtion AQC113C LAN controller.Realtek RTL8111H vs Marvell AQtion AQC113C
  • More basic motherboard chipset
    MSI B550M Pro has more basic motherboard chipset than the average motherboard (AMD B550 vs Intel B860). The average motherboard uses Intel B860 chipset.
    What it is: The chipset that defines the motherboard platform and many of its features.
    When it matters: When you compare platform features, connectivity, and CPU support.

    Importance: HIGH

    MSI B550M Pro has more basic motherboard chipset than the average motherboard (AMD B550 vs Intel B860). The average motherboard uses Intel B860 chipset.AMD B550 vs Intel B860
  • 2 fewer memory slots
    MSI B550M Pro has fewer memory slots than the average motherboard (2 vs 4). The average motherboard has 4 memory slot/s.
    What it is: The number of RAM slots on the motherboard.
    When it matters: When you want more room for future memory upgrades.

    Importance: HIGH

    Good value: >=4

    MSI B550M Pro has fewer memory slots than the average motherboard (2 vs 4). The average motherboard has 4 memory slot/s.2 vs 4
  • Slower M.2 slot interfaces
    MSI B550M Pro has slower M.2 slot interfaces than the average motherboard (1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.
    What it is: The storage or PCIe interface available for each M.2 slot on the motherboard.
    When it matters: When you want to check which drives each M.2 slot can use.

    Importance: HIGH

    MSI B550M Pro has slower M.2 slot interfaces than the average motherboard (1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4). The average motherboard uses 1x PCIe 5.0x4, 2x PCIe 4.0x4 M.2 slot interfaces.1x PCIe 4.0x4/SATA vs 1x PCIe 5.0x4, 2x PCIe 4.0x4
  • 2 fewer rear USB ports
    MSI B550M Pro has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.
    What it is: The total number of rear USB ports available on the motherboard.
    When it matters: When you use many USB devices directly from the back of the PC.

    Importance: MEDIUM

    Good value: >=8

    MSI B550M Pro has fewer rear USB ports than the average motherboard (6 vs 8). The average motherboard has 8 rear USB port/s.6 vs 8
  • 50% less maximum memory capacity
    MSI B550M Pro has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.
    What it is: The largest total amount of RAM the motherboard supports.
    When it matters: When you plan a build with very high memory capacity.

    Importance: HIGH

    Good value: >=128 GB

    MSI B550M Pro has fewer maximum memory capacity than the average motherboard (64 GB vs 128 GB). The average motherboard supports 128 GB of memory.64 GB vs 128 GB
  • 1 fewer M.2 sockets
    MSI B550M Pro has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.
    What it is: The number of M.2 slots available on the motherboard.
    When it matters: When you want room for more NVMe or M.2 drives.

    Importance: HIGH

    Good value: >=3

    MSI B550M Pro has fewer M.2 sockets than the average motherboard (1 vs 2). The average motherboard has 2 M.2 socket/s.1 vs 2
Total
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Platform & Features
Memory
Storage
Expansion
Ports & USB
Network
Audio
Power & Cooling

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Third-party reviews

What customers like about MSI B550M Pro?

  • Excellent value for money for an AM4 budget build
  • Strong VRM performance that handles Ryzen 7 processors comfortably
  • Includes four RAM slots on a micro-ATX board for better expandability
  • User-friendly BIOS (Click BIOS 5) with easy XMP/DOCP activation
  • Flash BIOS Button allows for firmware updates without a CPU installed
  • PCIe 4.0 support for the primary M.2 slot and GPU
  • Includes useful troubleshooting features like EZ Debug LEDs

What customers dislike about MSI B550M Pro?

  • Basic rear I/O with a limited number of USB ports and no USB-C
  • Only one M.2 slot includes a heatsink (Shield Frozr)
  • Secondary M.2 slot is limited to PCIe 3.0 speeds
  • Entry-level audio codec (Realtek ALC892/897) is underwhelming for audiophiles
  • Occasional reports of faulty USB ports or intermittent Bluetooth/Wi-Fi issues
  • Dated BIOS interface compared to some modern competitors
  • Limited VRM cooling may lead to thermal throttling with high-end Ryzen 9 CPUs

Video reviews

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