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Compare MSI PRO B550-P GEN3 vs PRO B840M-P WIFI6E

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  3. MSI PRO B550-P GEN3 🆚 MSI PRO B840M-P WIFI6E
MSI PRO B550-P GEN3 and MSI PRO B840M-P WIFI6E are both motherboards with the same RAM Slots (4), Onboard USB 2.0 (2) and Onboard USB 3.2 Gen 1 (1). The main differences are in Socket, Form factor, Chipset and Supported Memory.
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MSI Pro B550-p Gen3 AMD AM4 ATX
MSI PRO B550-P GEN3
MSI PRO B840M-P WIFI6E AM5 DDR5 8000+ MT/s OC PCIe 4.0 x16 M.2 Gen4 Wi-Fi 6E 2.5G LAN micro ATX
MSI PRO B840M-P WIFI6E
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€118.90
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€122.90
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€130.69
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Brand
MSI
Brand
MSI
Model
  • PRO B550-P GEN3
  • 7B86-051R
Model
  • PRO B840M-P WIFI6E
  • 7E77-001R
Release Date
-
Release Date
📅 June 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Compatible PC parts
Processors ► Memory ► Cases ► CPU Coolers ►
Compatible PC parts
Processors ► Memory ► Cases ► CPU Coolers ►
Socket
AM4
Socket
AM5
Form factor
ATX
Form factor
Micro ATX
Chipset
AMD B550
Chipset
AMD B840
Supported Memory
DDR4
1866Mhz 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz
Supported Memory
DDR5
4800Mhz 8000Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
No
ECC RAM Support
No
SLI Support
No
SLI Support
No
CrossFire Support
Yes
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back Connect
No
Back Connect
No
Wireless LAN
No
Wireless LAN
Yes
Wi-Fi Generation
-
Wi-Fi Generation
6E
PCI-Express x16 Slots
2
PCI-Express x16 Slots
1
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
4
PCI-Express x1 Slots
1
SATA 6 Gbps Ports
6
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
1
M.2 Ports
2
M.2 Devices support
  • 2260 / 2280 / 22110 - M Key
M.2 Devices support
  • 2260 / 2280 - M Key
  • 2260 / 2280 - M Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
128 GB
Maximum Supported RAM
256 GB
Onboard USB 2.0
2
Onboard USB 2.0
2
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
0
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
-

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to buy the MSI PRO B550-P GEN3:

  • Supports AMD CrossFire
  • +1 Slots PCI-E x16
  • +3 Slots PCI-E x1
  • +2 Ports SATA 6Gb/s

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Reasons to buy the MSI PRO B840M-P WIFI6E:

  • Wireless LAN Integrated
  • +1 Ports M.2
  • +128 GB maximum RAM supported
  • +1 Onboard USB 3.2 Gen 2

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