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Black ATX motherboard with carbon-fibre accents and silver heatsinks

MSI

MSI MPG B550 Gaming Carbon WiFi AMD motherboard

SKU CH-6X80-9774Q

AMD B550 ATX board for Socket AM4 Ryzen CPUs with DDR4 up to 4866 MHz, 128 GB max, PCIe 4.0 x16, 2.5 Gbps LAN, Realtek ALC1200 7.1 audio and Wi-Fi

  • CPU Socket TypeSocket AM4
  • CPU TypeSupports AM4 socket 3rd Gen AMD Ryzen processors, and future
  • ChipsetAMD B550
  • Memory StandardSupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000
  • Maximum Memory Supported128GB
  • PCI Slots1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1x PCIe 3.0 x16 slot (PCI
  • Supports up to 128GB DDR4 memory for heavy multitasking
  • PCIe 4.0 x16 slot enables latest graphics card bandwidth
  • 5Gbps LAN controller reduces network latency
  • Realtek ALC1200 codec delivers 7.1-channel high-definition audio
  • Multiple USB 3.2 Gen 1 and USB 2.0 ports connect peripherals

Socket AM4 DDR4 Platform

The MSI MPG B550 Gaming Carbon WiFi motherboard targets builders using third-generation AMD Ryzen processors and compatible future CPUs after a BIOS update. It provides an ATX foundation with dual-channel DDR4 support up to 128GB across a wide range of speeds from 1866 to 4866 MHz. The board suits gaming and productivity systems that need flexible expansion.

Bundled Essentials Change Setup Scope

The package includes only the motherboard, a CMOS battery, one SATA cable, the rear I/O shield and the WiFi antenna. No additional cables, screws, driver media or documentation are supplied. Builders must source extra SATA cables, M.2 mounting hardware and any required USB headers separately before assembly begins.

Standard ATX Install With Common Gaps

Installation follows typical ATX mounting and power-connection routines using the 24-pin and CPU power headers. The most frequent issues are missing M.2 standoffs, insufficient SATA cables for multiple drives and forgetting to attach the WiFi antenna leads. A BIOS update may be needed for newer Ryzen chips, so a supported CPU should be on hand for that step.

Points forts

  • Supports up to 128GB DDR4 memory for heavy multitasking
  • PCIe 4.0 x16 slot enables latest graphics card bandwidth
  • 5Gbps LAN controller reduces network latency
  • Realtek ALC1200 codec delivers 7.1-channel high-definition audio
  • Multiple USB 3.2 Gen 1 and USB 2.0 ports connect peripherals

Caractéristiques

BrandMSI
SeriesMSI MPG B550 GAMING CARBON WIFI
ModelMSI MPG B550 GAMING CARBON WIFI
CPU Socket TypeSocket AM4
CPU TypeSupports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update
ChipsetAMD B550
Memory StandardSupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000/3066/3200/3466/3600/3733/3866/4000/4133/4266/4400/4533/4600/4733/4800/4866 + MHz memory
Maximum Memory Supported128GB
PCI Slots1x PCIe 4.0/ 3.0 x16 slot (PCI_E1)
1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed
3x PCIe 3.0 x1 slots
SATA RAID2XM.2 interface, 6xSATA III interface
Audio ChipsetRealtek ALC1200 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
LAN Chipset1x Realtek RTL8125B 2.5Gbps LAN controller
Onboard USBAMD B550 Chipset
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)
AMD Processor
2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Questions sur cet article

Will the included CMOS battery need replacing and how often?

A CR battery is supplied; it keeps the real-time clock running when the system is off and typically lasts several years before the clock begins to drift.

What thermal limit appears first when the VRM runs at high current all day?

The board uses an extended heatsink on the power phase area; under sustained load the VRM temperature hits its throttle point before the CPU socket limit is reached.

How loud does the chipset fan get and how much power does the 2.5 GbE controller draw under constant traffic?

The B550 chipset is passively cooled so there is no chipset fan noise, and the Realtek RTL8125B 2.5 GbE controller adds only a few watts even at full throughput.

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