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Win the Competition

The B550 GAMING WIFI is a gaming oriented ATX motherboard that is constructed with a 10 Duet Rail Power System and AMD B550 chipset which supports AMD Ryzen 5000 series desktop processors, featuring PCIe 4.0, 1G LAN, Wi-Fi 5 and DDR4 that balances both value and premium hardware.

Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series Processors

The B550 GAMING WIFI motherboard supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series Processors.

Form Factor: ATX
Socket Type: AM4
Chipset: AMD B550

Ultra Power - 10 Duet Rail Power System with 55A DrMOS

With exclusive Core Boost technology, a 8 pin power connectors, the B550 GAMING WIFI is able to sustain heavy CPU power loads to support system-demanding game settings:

Digital PWM IC
10 Duet Rail Power System (55A DrMOS)
2 Phase SOC Power
1 Phase APU Power

Frozr Design

Frozr Guard: Extended Heatsink design, 7W/mK MOSFET thermal pads, extra choke thermal pads and M.2 Shield Frozr for improved thermal dissipation.

Frozr Sync: Connect and synchronize cooling with strategically placed pin-headers - including CPU fan header (2A), Combo fan (3A, supports both pump fan and system fan) and system fans.

Frozr Control: Manage speeds and temperature for all fans of your system in MSI Center with Cooling Wizard and Frozr AI Cooling.

4 x DDR4 Dual Channel (4400+ MHz/OC)*

DDR4 Boost: A fully-isolated DDR circuit delivers pure data signals for optimal gaming and overclocking performance.

A-XMP Profiles: in the MSI BIOS are MSI OC LAB optimized and can be easily enabled with auto power settings for optimized memory speed and stability.

*1DPC 1R Max. overclocking frequency 4400+ MHz/OC, supports AMD A-XMP.

Fortified PCIe 4.0 x16 Slot

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points to support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor also shields the point of contact from electromagnetic interference.

1 x PCIe 4.0/3.0 x16 slot (with Steel Armor*)
1 x PCIe 4.0/3.0 x4 slot
1 x PCIe 3.0 x1 slot

Gen4 M.2 Connector

The B550 GAMING WIFI motherboard features MSI's M.2 slots:

1 x Gen4 x4 64Gbps slot (with M.2 Shield Frozr)
1 x Gen3 x4 32Gbps slot

M.2 Shield Frozr

Even the world’s fastest SSDs will automatically slow if thermal throttling firmware detects excessively high temperatures.

M.2 Shield Frozr is MSI's most advanced thermal solution, offering the best possible protection to ensure maximum SSD transfer speed performance.

Connectivity

LAN: A Realtek 1Gbps LAN controller delivers a premium network gaming experience.

Wi-Fi: Features the Wi-Fi 5 solution & Bluetooth 5.0 technology.

USB 10Gbps Type-C: Connect to devices and transfer files at high bandwidth rates.

HD Audio: 7.1-Channel High Definition Audio with Audio Boost.

MSI B550 Gaming WIFI ATX AM4 Motherboard

Customer Reviews

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