MSI B550 GAMING GEN3 AMD Socket AM4 ATX Motherboard

£116.74 inc. vat

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GTIN (EAN): 4719072970321 SKU: B550 GAMING GEN3 Categories: ,



With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high quality components, and developed products for reliability even under extreme conditions.


High performance MSI motherboards are loaded with advanced features and the latest technology to overwhelm any challenge at hand no matter whether you’re a gamer, prosumer, or PC enthusiast.


MSI motherboards are built with a variety of connectors to satisfy gamers. Enhanced audio, advanced LAN networking capabilities, USB and Mystic Light turn any gaming experience into an immerse one.

Main Features

Supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors

Supports DDR4 Memory, up to 4400(OC) MHz

Lightning Fast Game experience: Turbo M.2 Gen3 x4, AMD Turbo USB 3.2 GEN 2

Enhanced Power Design: Core Boost, DDR4 Boost

MULTI-GPU: With STEEL ARMOR PCI-E slots. Supports AMD Crossfire

Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions.

Audio Boost: Reward your ears with studio grade sound quality


CPU Socket Socket AM4


Installed Processors (Max) 0 (1)

Supported Processor Manufacturer AMD

Supported Processors AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors

64-bit Support Yes

Socket AM4

Rear Panel I/O Ports

USB Ports 2 x USB 3.1

2 x USB 3.0

2 x USB 2.0

HDMI Port 1 x HDMI 2.0b

Keyboard/Mouse Combo Port 1 x PS/2

RJ-45 Ports 1 x RJ-45

Digital Port 1 x DVI-D

Audio Line In Ports 1 x 3.5mm Jack

Audio Line Out Ports 4 x 3.5mm Jacks

Microphone In Port 1 x 3.5mm Jack

Internal I/O Connectors

SATA Connectors 6 x SATA III

USB Connectors 1 x USB 3.0 header (supports 2 ports)

2 x USB 2.0 headers (supports 4 ports)

Front Panel Connectors 1 x Front Panel

1 x Front Audio

Cooling Fan Support 1 x CPU fan header

1 x Water Pump fan header

4 x System fan headers

Parallel Connectors 1 x LPT header

Serial Connectors 1 x COM header

Chassis Intrusion Connector 1 x Chassis Intrusion header

TPM Header 1 x TPM header

Power Connector Port 1 x 24-pin ATX

1 x 8-pin EPS

Other Connectors 1 x M.2 slot, Key M, Type 2260/2280/2210 (PCIe Gen3 or SATA)


Memory Bus Speed Up to 4400 MHz

Memory Type DDR4

Maximum RAM 128 GB

Memory Slot 4 x DIMM


Chipset Manufacturer AMD

Northbridge B550

RAID Supported Yes

RAID Format RAID 0, 1, 10

SATA Supported Yes


Number of PCI Express Slots 2 x PCI Express 3.0 x16 slots (@ x16, x4)

4 x PCI Express 2.0 x1 slots

Graphics Device

Integrated Graphics Supported Yes


Integrated Sound Realtek ALC897


Warranty 3 Years


Integrated Network Realtek RTL8111H

Network Speeds Supported Up to 1 Gbps

Wireless LAN No

Bluetooth No


BIOS 1x 256 Mb flash


ACPI 6.1, SMBIOS 2.8


Jumpers 1 x Clear CMOS

Software Included (may be trial or restricted) Yes

Drivers Yes

SLi/Crossfire Features Supports AMD CrossFire Technology


Form Factor ATX Motherboard

In The Box Motherboard

Quick Installation Guide

I/O Shield

2 x SATA Cables

MSI Case Badge

Product Registration Card

Width 305 mm

Length 244 mm

Key Features

Motherboard Model MSI B550 GAMING GEN3

WiFi Speed Mbps

USB 3.1 Support Yes

Internal USB3.0 Header Yes

Cooler Height mm

M.2 Support Yes

On-board RGB Control None

Memory Speed 4400 MHz

Skip Audio Test

RGB Header Type None

Addressable RGB No

Internal USB Type-C Header No

Radiator Length mm

Microsoft Processor List

Power Requirement (auto) 70 W

Cooler count

Max Memory Speed Supported (Non-overclocked) 3200 MHz

Max Memory Speed Supported (overclocked) 4400 MHz

CPU Power Pins (female) 8

PCI Express Power Pins (female)

Total M.2 Slots 1

Maximum NVMe M.2 ports 1

Maximum SATA M.2 ports 1

PCI-e slots 6

SATA ports 6

USB2.0 headers 2

USB3.0 headers 1


IDE/EIDE Supported

SCSI/SAS Supported

Wireless Network No

Number of PCI Slots slot(s)

Number of PCI-X Slots slot(s)

Main Colour


Memory Channel Dual

On-board Audio Type 7.1

Number of SATA Ports 6 port(s)

Number of USB Ports 6 port(s)

SATA III Support Yes

USB 3.0 Support Yes

Multi GPU Support ATi CrossFire

VGA Connection No

DVI Connection Yes

HDMI Connection Yes

DisplayPort Connection No

Motherboard Form Factor ATX

Wake on LAN

Motherboard Power Connectors 4 + 4-Pin

Motherboard Chipset AMD B550



Graphics Chipset

Additional information





Model Number








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