We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
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

  • ProcessorSupports AM4 socket 3rd Gen AMD Ryzen processors, and future
  • ChipsetAMD B550
  • CPU socketSocket AM4
  • Supported memorySupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000
  • Max supported RAM128 GB
  • 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.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $140.99
Cheaper than about 64% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMSI
Product lineMSI MPG B550 GAMING CARBON WIFI
Model nameMSI MPG B550 GAMING CARBON WIFI
Processor
ProcessorSupports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update
CPU socketSocket AM4
ChipsetAMD B550
Memory
Supported memorySupport 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
Max supported RAM128 GB
Storage
SATA and RAID support2XM.2 interface, 6xSATA III interface
Audio & video
Audio chipRealtek ALC1200 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
Connectivity
Ethernet controller1x Realtek RTL8125B 2.5 Gbit/s LAN controller
Ports & slots
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

Questions about this item

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.

More in Motherboards for AMD CPUs

Similar items