Socket AM4, AMD B550 Chipset, 4 x DDR4-SDRAM up to 128GB, LAN, 1 x RJ-45, 6 x SATA III, 2 x M.2(M), UEFI AMI, ATX

Key Features

• 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
• MSI Center: A brand-new software which integrates all MSI exclusive tools with user-friendly user interface

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 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.

Specifications

Internal I/O
Number of M.2 (M) slots	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
Total number of SATA connectors	6
Front panel connector	Yes
Supported storage drive interfaces	M.2, SATA III
USB 2.0 connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	2
TPM connector	Yes
Number of SATA III connectors	6
Front panel audio connector	Yes
CPU fan connector	Yes
Chassis intrusion connector	Yes
ATX Power connector (24-pin)	Yes
RGB LED pin header	Yes
Technical details
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Supported processor sockets	Socket AM4
Parallel processing technology support	Not supported
HDMI version	1.4
Motherboard form factor	ATX
Component for	PC
Total number of SATA connectors	6
Audio
Audio output channels	7.1 channels
Performance
Number of HDDs supported	6
Supported storage drive types	HDD & SSD
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Supported processor sockets	Socket AM4
Audio output channels	7.1 channels
Motherboard form factor	ATX
Component for	PC
Processor
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor sockets	Socket AM4
Processor socket	Socket AM4
Memory
Number of memory slots	4
Memory slots type	DIMM
Supported memory types	DDR4-SDRAM
Memory channels	Dual-channel
Supported memory clock speeds	2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz
Maximum internal memory	128 GB
Unbuffered memory	Yes
Supported memory clock speed (max)	4866 MHz
ECC сompatibility	ECC & Non-ECC
Storage controllers
Number of HDDs supported	6
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
Number of storage drives supported	8
Graphics
Parallel processing technology support	Not supported
Maximum resolution	4096 x 2160 pixels
Rear panel I/O ports
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
DisplayPort version	1.2
USB 2.0 ports quantity	4
VGA (D-Sub) ports quantity	0
HDMI version	1.4
HDMI ports quantity	1
Ethernet LAN (RJ-45) ports	1
DVI-D ports quantity	0
DisplayPorts quantity	1
Network
Ethernet LAN	Yes
Wi-Fi	No
LAN controller	Realtek 8111H
Ethernet interface type	Gigabit Ethernet
Features
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Supported processor sockets	Socket AM4
Audio output channels	7.1 channels
Motherboard form factor	ATX
Component for	PC
Audio chip	Realtek ALC897
Expansion slots
Number of M.2 (M) slots	2
PCI Express x1 (Gen 3.x) slots	1
PCI Express x16 (Gen 3.x) slots	1
PCI Express x16 slots	2
PCI Express x16 (Gen 4.x) slots	1
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
Video
Maximum resolution	4096 x 2160 pixels
Weight & dimensions
Width	243.8 mm
Depth	304.8 mm