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MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX

MSI B550 GAMING, AMD, Socket AM4, AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series, Socket AM4,...Read full description ↓

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£95.96

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Price history of MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX over the last 3 months
DatePrice
14 October 2026£95.96
14 October 2026£95.96

Product Information

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 electromagnetic interference.

MSI motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience.

Motherboards MSI

Product

Name
MSI B550 GAMING motherboard AMD B550 Socket AM4 ATX
Category
Motherboards
Brand
MSI

Weight & dimensions

Width
243.8 mm
Depth
304.8 mm

Memory

Supported memory types
DDR4-SDRAM
Number of memory slots
4
Maximum internal memory
128 GB
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
ECC & Non-ECC
Supported memory clock speeds
2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz
Supported memory clock speed (max)
4866 MHz
Unbuffered memory
Yes

Processor

Processor manufacturer
AMD
Processor socket
Socket AM4
Compatible processor series
AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor sockets
Socket AM4

Rear panel I/O ports

USB 2.0 ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
1
Ethernet LAN (RJ-45) ports
1
VGA (D-Sub) ports quantity
0
HDMI ports quantity
1
DVI-D ports quantity
0
HDMI version
1.4
DisplayPorts quantity
1
DisplayPort version
1.2

Internal I/O

USB 2.0 connectors
4
USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
USB 3.2 Gen 2 (3.1 Gen 2) connectors
1
Number of SATA III connectors
6
Total number of SATA connectors
6
Front panel audio connector
Yes
Front panel connector
Yes
ATX Power connector (24-pin)
Yes
CPU fan connector
Yes
Chassis intrusion connector
Yes
TPM connector
Yes
RGB LED pin header
Yes

Network

Wi-Fi
No
Ethernet LAN
Yes
Ethernet interface type
Gigabit Ethernet
LAN controller
Realtek 8111H

Expansion slots

PCI Express x1 (Gen 3.x) slots
1
PCI Express x16 slots
2
PCI Express x16 (Gen 3.x) slots
1
PCI Express x16 (Gen 4.x) slots
1
Number of M.2 (M) slots
2
1st M.2 largest key size
22110
1st M.2 highest PCI Express generation
4.0
2nd M.2 largest key size
2280
2nd M.2 highest PCI Express generation
3.0

BIOS

BIOS type
UEFI AMI
BIOS memory size
256 Mbit
ACPI version
6.0
System Management BIOS (SMBIOS) version
2.8

Graphics

Parallel processing technology support
Not supported
Maximum resolution
4096 x 2160 pixels

Features

Component for
PC
Motherboard form factor
ATX
Motherboard chipset family
AMD
Motherboard chipset
AMD B550
Audio output channels
7.1 channels
Audio chip
Realtek ALC897

Storage controllers

Supported storage drive interfaces
M.2, SATA III
Supported storage drive types
HDD & SSD
Number of HDDs supported
6
Number of storage drives supported
8

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