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MSI B550M GAMING PLUS WIFI6E Micro ATX motherboard, black PCB, silver heatsinks

MSI

MSI B550M GAMING PLUS WIFI6E AMD motherboard

SKU CH-G3CT-TXA49 MPN B550M GAMING PLUS WIFI6E

Micro-ATX AM4 board with DDR4 to 4400 MT/s, PCIe 4.0 graphics slot, dual M.2, Wi-Fi 6E, Bluetooth 5.3 and 1 Gbps LAN

  • CPU Socket TypeAM4
  • CPU TypeRyzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series,
  • ChipsetAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 4400
  • Channel SupportedDual Channel

Option B550M GAMING PLUS WIFI6E

As versões riscadas existem, mas não estão disponíveis aqui.

  • Ready for AMD Ryzen 5000, 4000 G-Series and 3000 Series on AM4 socket
  • DDR4 memory up to 4400 MHz via A-XMP across four 288-pin slots for 128 GB capacity
  • PCIe 4.0 x16 graphics slot plus two M.2 slots — one Gen4 x4 from CPU, one Gen3 x4 from chipset
  • Wi-Fi 6E with Bluetooth 5.3 on 2.4, 5 and 6 GHz bands plus Realtek 1 Gbps LAN
  • HDMI 2.1 and DisplayPort 1.4 for 4K 60 Hz output with 7.1-channel ALC897 audio

Ready for AMD Ryzen AM4 builds

This Micro ATX motherboard uses the AMD B550 chipset and Socket AM4 to support Ryzen 5000, 5000 G-Series, 4000 G-Series, 3000 and 3000 G-Series desktop processors. Four DDR4 slots accept up to 128GB of dual-channel memory running at speeds up to 4400 MT/s with A-XMP profiles. It suits gamers and creators who need a compact platform with modern connectivity.

Thermals and power in normal use

The board draws power through standard ATX and CPU connectors and runs without active chipset cooling. The Realtek RTL8111H controller provides 1Gbps wired LAN while the pre-installed Wi-Fi 6E module adds 2.4, 5 and 6GHz wireless with MU-MIMO and Bluetooth 5.3. No onboard RGB lighting keeps power draw low and visual distraction minimal.

Build quality and daily connectivity

A steel-armoured PCIe 4.0 x16 slot is reinforced with extra solder points to hold heavy graphics cards. Two M.2 sockets handle 2280, 2260 and 2242 drives; the CPU-linked slot runs PCIe 4.0 x4 or SATA and the chipset-linked slot runs PCIe 3.0 x4. Four SATA 6Gb/s ports support RAID 0, 1 and 10. Rear I/O includes HDMI 2.1, DisplayPort 1.4, USB 5Gbps Type-C and Type-A plus USB 2.0 headers for front panel expansion. Realtek ALC897 delivers 7.1-channel HD audio.

Pontos fortes

  • Ready for AMD Ryzen 5000, 4000 G-Series and 3000 Series on AM4 socket
  • DDR4 memory up to 4400 MHz via A-XMP across four 288-pin slots for 128 GB capacity
  • PCIe 4.0 x16 graphics slot plus two M.2 slots — one Gen4 x4 from CPU, one Gen3 x4 from chipset
  • Wi-Fi 6E with Bluetooth 5.3 on 2.4, 5 and 6 GHz bands plus Realtek 1 Gbps LAN
  • HDMI 2.1 and DisplayPort 1.4 for 4K 60 Hz output with 7.1-channel ALC897 audio

Especificações

BrandMSI
CPU Socket TypeAM4
CPU TypeRyzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, Ryzen 3000 Series
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 4400
Channel SupportedDual Channel
Buffer SupportedUn-buffered
M.2M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 / SATA mode, supports 2280/2260/2242 devices
M.2_2 Source (From Chipset) supports up to PCIe 3.0 x4 , supports 2280/2260/2242 devices
Audio Channels8 Channels
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
BluetoothYes
HDMI1 x HDMI
DisplayPort1 x DisplayPort
Form FactorMicro ATX
LED LightingNone RGB
Peso de envio1.18 kg
Dimensões da embalagem298 × 273 × 54 mm

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Perguntas sobre este artigo

How do I install the CPU into the AM4 socket and what step is often missed?

Align the golden triangle on the Ryzen processor with the socket corner, lower the retention arm fully, then attach the cooler — many forget to remove the plastic protective cover from the socket before seating the CPU.

What maintenance will the Wi-Fi 6E and Bluetooth 5.3 module need over time?

The module is soldered to the board and has no user-serviceable parts; keep the rear antenna connectors tight and update drivers through Windows Update or the MSI support page when new releases appear.

Which thermal limit appears first when the VRM runs under sustained load?

The board uses a heatsink-covered VRM without active cooling; under prolonged heavy current the MOSFET temperature rises until thermal throttling reduces CPU power delivery.

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