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MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX

  • Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors
  • Supports DDR4 Memory, up to 4800+MHz (OC)
  • Lightning Fast Game experience: PCIe 4.0 slot, Lightning Gen 4 x4 M.2, Front USB Type-C
  • EZ DIY: EZ Debug LED and EZ Mounting
  • Audio Boost: Reward your ears with studio-grade sound quality for the most immersive gaming experience
See all 65 specifications
£95.96
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  1. ● In stock see shop
    £95.96
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Prices include VAT, last checked 10 October at 17:08. Prices may have changed since. Advertising: some shops pay Pricuro a commission when you buy through a link. Offers are ordered by total price only; used and refurbished offers come last.

Price history

£91.52£93.74£95.96 3 Oct5 Oct7 Oct10 Oct
Lowest price per day over 8 days.
Now
£95.96
Lowest
£91.52
Average
£93.00
Highest
£95.96

Product details

Product details
BrandMSI
CategoryPC components
Barcode (EAN)4711377459846
Shops compared1
On Pricuro since3 October 2026

Processor

4
Processor manufacturerAMD
Processor socketSocket AM4
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4

Memory

9
Supported memory typesDDR4-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC & Non-ECC
Supported memory clock speeds2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz
Supported memory clock speed (max)4866 MHz
Maximum internal memory128 GB
Unbuffered memoryYes

Storage controllers

4
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
Number of HDDs supported6
Number of storage drives supported8

Graphics

2
Parallel processing technology supportNot supported
Maximum resolution4096 x 2160 pixels

Internal I/O

12
USB 2.0 connectors4
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
USB 3.2 Gen 2 (3.1 Gen 2) connectors1
Number of SATA III connectors6
Total number of SATA connectors6
Front panel audio connectorYes
Front panel connectorYes
ATX Power connector (24-pin)Yes
CPU fan connectorYes
Chassis intrusion connectorYes
TPM connectorYes
RGB LED pin headerYes

Rear panel I/O ports

9
USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1
HDMI version1.4
DisplayPorts quantity1
DisplayPort version1.2

Network

4
Ethernet LANYes
Ethernet interface typeGigabit Ethernet
LAN controllerRealtek 8111H
Wi-FiNo

Features

6
Motherboard chipsetAMD B550
Audio chipRealtek ALC897
Audio output channels7.1 channels
Component forPC
Motherboard form factorATX
Motherboard chipset familyAMD

Expansion slots

9
PCI Express x1 (Gen 3.x) slots1
PCI Express x16 slots2
PCI Express x16 (Gen 3.x) slots1
PCI Express x16 (Gen 4.x) slots1
Number of M.2 (M) slots2
1st M.2 largest key size22110
1st M.2 highest PCI Express generation4.0
2nd M.2 largest key size2280
2nd M.2 highest PCI Express generation3.0

BIOS

4
BIOS typeUEFI AMI
BIOS memory size256 Mbit
ACPI version6.0
System Management BIOS (SMBIOS) version2.8

Weight & dimensions

2
Width243.8 mm
Depth304.8 mm

Manufacturer data: Open Icecat

Product description

The B550 GAMING is crafted to offer extensive connectivity, versatile tools, and Wi-Fi solution for gamers seeking a comprehensive experience. Featuring an 1G LAN, USB Type-C 10Gbps and PCIe 4.0 solution, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors. Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU…

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The B550 GAMING is crafted to offer extensive connectivity, versatile tools, and Wi-Fi solution for gamers seeking a comprehensive experience. Featuring an 1G LAN, USB Type-C 10Gbps and PCIe 4.0 solution, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors.

Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.

Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage.

The 8-pin, 8-pin, and 24-pin power connectors of MSI motherboards are all designed with solid pins. The solid pin design allows for a more stable transmission of 12V power to the CPU, even when handling high current loads.

An extra layer of sponge materials along with corrosive resistance IO Shield to help improve static electricity and reduce electromagnetic radiation noise from the system as well as much more durable compare to traditional IO Shields.

MSI motherboards prioritize safety with the embedded Overcurrent Protection (OCP), ensuring crucial components such as the USB ports, DDR memory, PWM IC, and CPU are shielded from excessive current. This proactive defense mechanism curtails the risk of damage or malfunction due to power surges, promoting long-term system stability. This commitment to safeguarding your hardware underscores MSI's dedication to producing motherboards that prioritize durability and stability.

The grounding structure of power phases is the MSI's exclusive design. This patented design enables to suppress the electromagnetic interference (EMI) generated by the power phases and helps to efficiently conduct heat to the copper plane with grounding properties.

MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.

MSI Gaming series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.

LIGHTNING GEN 4 PCI-E

MSI lightning Gen 4 PCI-E represents the bandwidth of a x16 interface to 64GB/s that has doubled compared to its previous generation.

REINFORCED,

HEAVY SOLDERED CONNECTIONS

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

Frequently asked questions

Where is MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX cheapest?

Right now at PCHUB.UK for £95.96. We compare one offer.

How much does MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX cost?

Currently £95.96.

Is now a good time to buy MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX?

Building the price history. We have only just started recording this price. After two weeks we will show here whether the current price is a good one.

Is MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX in stock?

Yes, one shop lists it as in stock.

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