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header-product MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX DDR4
89.99 €

MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX DDR4

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Short description

MSI PRO B550M-B Micro ATX motherboard featuring AMD B550 chipset, Socket AM4, and support for AMD Ryzen 3000, 4000, and 5000 series processors. Equipped with DDR4 memory support up to 64GB, M.2 and SATA storage interfaces, and Gigabit Ethernet.
Available for order: 50 pcs.
Warranty: 3 Years
SKU: 12759018
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

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2b. Kengaraga str., Riga, Latvia, LV-1063
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From 4.99 € (Weight: 0.94 kg)
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Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
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36 months installment: from 2.50 euros per month
Price for companies: 74.37€ Price is valid only for legal clients
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Product information

Description

The MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX DDR4 is designed to deliver stable performance and reliable daily operation for professional workstations and home desktop systems. Built around the AMD B550 chipset and utilizing the AM4 socket, this micro ATX motherboard provides seamless compatibility with AMD Ryzen 3000, 4000, and 5000 series processors. It offers essential modern computing features, including high-speed DDR4 memory support, advanced storage connectivity with M.2 and SATA interfaces, and dependable network connectivity, making it a solid foundation for your next PC build.

Advantages

This motherboard incorporates a robust power design and optimized circuit layouts that ensure stable current delivery to the processor, supporting efficient multitasking and consistent daily productivity. Advanced cooling support and dedicated heatsink designs help maintain optimal operating temperatures during sustained workloads. High-quality audio capacitors and isolated circuitry deliver clear acoustic performance for multimedia applications. Furthermore, built-in safeguards such as overcurrent protection and transient voltage suppressors help protect critical hardware components against electrical fluctuations, enhancing long-term system durability.

Suitable for

  • Building office and business desktop computers for everyday productivity tasks
  • Assembling home entertainment systems and multimedia streaming stations
  • Setting up reliable family PCs for web browsing and educational use
  • Constructing entry-level gaming setups paired with compatible graphics cards

When it may not be suitable

This motherboard may not be suitable for high-end enthusiast configurations requiring multi-GPU setups or extreme processor overclocking. Due to its micro ATX form factor, it offers a limited number of expansion slots, which might restrict future hardware upgrades for users planning extensive custom modifications.

Key specifications

  • AMD B550 chipset with Socket AM4
  • Compatible with AMD Ryzen 3000, 4000, and 5000 series processors
  • Supports DDR4-SDRAM memory up to 64 GB across 2 DIMM slots
  • Storage interfaces include M.2, NVMe, PCI Express 3.0, PCI Express 4.0, and SATA
  • Gigabit Ethernet networking interface
  • Micro ATX form factor
  • 7.1-channel audio output

How to use

Begin by installing the motherboard inside a compatible micro ATX computer case, securing it properly to the standoffs to prevent short circuits. Insert a compatible AMD Ryzen processor into the AM4 socket, followed by the DDR4 memory modules into the appropriate DIMM slots. Install your storage drives into the available M.2 or SATA ports and connect your power supply unit to the main 24-pin and CPU power connectors. Once all internal components, graphics card, and front panel cables are securely attached, connect your monitor, keyboard, and mouse, and power on the system to configure the UEFI BIOS and install your operating system.

What to consider before purchase

  • Verify that your computer case supports the micro ATX form factor
  • Ensure your chosen processor belongs to a compatible AMD Ryzen series
  • Check that your memory modules are DDR4-SDRAM type
  • Confirm that your power supply provides the necessary connectors for the system
Usage recommendations: To ensure optimal stability and longevity, always update the motherboard BIOS to the latest stable version provided by the manufacturer. Maintain adequate airflow within your computer case and regularly clean dust from the chipset and system fans to preserve cooling efficiency.

Specifications

BIOS type: The BIOS (Basic Input/Output System) initializes and tests system hardware components, and loads a bootloader or an operating system from a mass memory device. The BIOS additionally provides abstraction layer for the hardware, i.e. a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices. There are several types of BIOS, including the motherboard ROM BIOS, video BIOS, drive controller BIOS, network adapter BIOS, and SCSI adapter BIOS.
UEFI AMI
Audio output channels: An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.
7.1
Motherboard chipset: The chipset connects the microprocessor to the rest of the motherboard.
AMD B550
Motherboard chipset family: The category of motherboard chipset e.g. Intel, AMD.
AMD
Motherboard form factor: Design of the motherboard (ATX, BTX etc).
Micro ATX
Component for: What this product is used as a part of (component for).
PC
Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
No
DVI-D ports quantity: This is the amount of DVI-I interfaces. Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device, such as a computer monitor. DVI-D means DVI digital, which means it can only support digital, but not analog.
0
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
1
VGA (D-Sub) ports quantity: Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.
0
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: Number of USB 3.1 (3.1 Gen 2) ports with Type-C connector. USB 3.1 (3.1 Gen 2) is USB interface version which supports transfer rate up to 10 Gbit/s (SuperSpeed+). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: Number of USB 3.0 (3.1 Gen 1) ports with Type-C connector. USB 3.0 (3.1 Gen 1) is USB interface version which supports transfer rate up to 5 Gbit/s (SuperSpeed). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
4
USB 2.0 ports quantity: Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
2
Number of SATA III connectors: Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
4
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
1
USB 3.2 Gen 1 (3.1 Gen 1) connectors: This is a connector (normally attached to a cable) for USB 3.0. USB 3.0 is the second major revision of the Universal Serial Bus (USB) standard for computer connectivity. First introduced in 2008, USB 3.0 adds a new transfer mode called "SuperSpeed," (distinguishable from USB 2.0 by either the blue colour of the port or the initials SS) capable of transferring data at up to 5Gbit/s—more than ten times as fast as the 480 Mbit/s top speed of USB 2.0.
2
USB 2.0 connectors: The end of a cable with a USB 2.0 connector. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full Speed" signaling rate of 12 Mbit/s. USB 2.0 connectors are usually colored black.
4
Maximum internal memory: The maximum internal memory which is available in the product.
64 GB
Number of memory slots:
2
Processor socket: Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
Socket AM4
Processor manufacturer: The manufacturer that produced the processor.
AMD
Parallel processing technology support: Parallel processing technology is the simultaneous use of more than one CPU or processor core to execute a program or multiple computational threads. Ideally, parallel processing makes programs run faster because there are more engines (CPUs or Cores) running it. In practice, it is often difficult to divide a program in such a way that separate CPUs or cores can execute different portions without interfering with each other. Most computers have just one CPU, but some models have several, and multi-core processor chips are becoming the norm. There are even computers with thousands of CPUs.
Not supported
Supported storage drive interfaces:
SATA, PCI Express 4.0, PCI Express 3.0, M.2, NVMe
Supported memory types: Types of memory which can be used with the product.
DDR4-SDRAM
Compatible processor series: A processor which is compatible with this device, belongs to a 'series' which is part of 'family' e.g Celeron D, Celeron G, Celeron M, or, in some cases, is the same as 'family'.
AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
All features

Technical details

Legal guarantee:
3 year(s)

BIOS

System Management BIOS (SMBIOS) version:
3.7
ACPI version:
6.0
BIOS memory size:
256 Mbit
BIOS type: The BIOS (Basic Input/Output System) initializes and tests system hardware components, and loads a bootloader or an operating system from a mass memory device. The BIOS additionally provides abstraction layer for the hardware, i.e. a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices. There are several types of BIOS, including the motherboard ROM BIOS, video BIOS, drive controller BIOS, network adapter BIOS, and SCSI adapter BIOS.
UEFI AMI

Expansion slots

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

Features

Windows operating systems supported: Windows vesions wich can be used with the device.
Windows 11 x64, Windows 10 x64
Audio output channels: An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.
7.1
Audio chip:
Realtek ALC897
Motherboard chipset: The chipset connects the microprocessor to the rest of the motherboard.
AMD B550
Motherboard chipset family: The category of motherboard chipset e.g. Intel, AMD.
AMD
Motherboard form factor: Design of the motherboard (ATX, BTX etc).
Micro ATX
Component for: What this product is used as a part of (component for).
PC

Network

Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
No
LAN controller:
Realtek RTL8111H
Ethernet interface type:
Gigabit Ethernet
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes

Rear panel I/O ports

DisplayPort version:
1.2
DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.
1
DVI-D ports quantity: This is the amount of DVI-I interfaces. Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device, such as a computer monitor. DVI-D means DVI digital, which means it can only support digital, but not analog.
0
HDMI version:
2.1
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
1
VGA (D-Sub) ports quantity: Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.
0
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: Number of USB 3.1 (3.1 Gen 2) ports with Type-C connector. USB 3.1 (3.1 Gen 2) is USB interface version which supports transfer rate up to 10 Gbit/s (SuperSpeed+). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: Number of USB 3.0 (3.1 Gen 1) ports with Type-C connector. USB 3.0 (3.1 Gen 1) is USB interface version which supports transfer rate up to 5 Gbit/s (SuperSpeed). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
4
USB 2.0 ports quantity: Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
2

Internal I/O

RGB LED pin header:
Yes
TPM connector:
Yes
Chassis intrusion connector:
Yes
CPU fan connector:
Yes
ATX Power connector (24-pin):
Yes
Front panel connector:
Yes
Front panel audio connector:
Yes
Total number of SATA connectors:
4
Number of SATA connectors:
4
Number of SATA III connectors: Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
4
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
1
USB 3.2 Gen 1 (3.1 Gen 1) connectors: This is a connector (normally attached to a cable) for USB 3.0. USB 3.0 is the second major revision of the Universal Serial Bus (USB) standard for computer connectivity. First introduced in 2008, USB 3.0 adds a new transfer mode called "SuperSpeed," (distinguishable from USB 2.0 by either the blue colour of the port or the initials SS) capable of transferring data at up to 5Gbit/s—more than ten times as fast as the 480 Mbit/s top speed of USB 2.0.
2
USB 2.0 connectors: The end of a cable with a USB 2.0 connector. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full Speed" signaling rate of 12 Mbit/s. USB 2.0 connectors are usually colored black.
4

Graphics

On-board graphics card: Graphics hardware which is built into the motherboard or CPU, as opposed to a separate graphics adapter (video card). On-board graphics uses CPU and RAM for graphics processing.
No
Parallel processing technology support: Parallel processing technology is the simultaneous use of more than one CPU or processor core to execute a program or multiple computational threads. Ideally, parallel processing makes programs run faster because there are more engines (CPUs or Cores) running it. In practice, it is often difficult to divide a program in such a way that separate CPUs or cores can execute different portions without interfering with each other. Most computers have just one CPU, but some models have several, and multi-core processor chips are becoming the norm. There are even computers with thousands of CPUs.
Not supported

Storage controllers

RAID levels: RAID is a storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways, referred to as RAID levels, depending on the specific level of redundancy and performance required.
10, 5, 1
RAID support: The device uses RAID, which is a storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways, referred to as RAID levels, depending on the specific level of redundancy and performance required.
Yes
Number of storage drives supported: How many storage drives can be fit into the product at once.
6
Supported storage drive interfaces:
SATA, PCI Express 4.0, PCI Express 3.0, M.2, NVMe

Memory

Unbuffered memory:
Yes
Maximum internal memory: The maximum internal memory which is available in the product.
64 GB
Supported memory clock speed (max):
4600 MHz
Supported memory clock speeds: Memory clock speed is the time it takes for a computer to complete basic operations. It refers to the computer's processing speed and is measured in hertz. It is however not such a reliable measure of a computer's speed as it doesn't take into account other factors like RAM and cache size.
4400, 2667, 2800, 2933, 3000, 3066, 3200, 3600, 3733, 3866, 4000, 4133, 4266, 3466, 4600
ECC сompatibility:
non-ECC
Memory channels:
Dual-channel
Memory slots type: A memory slot, also known as a memory socket or RAM slot, is what allows computer memory (RAM) to be inserted into the computer. Depending on the motherboard, there will usually be 2 to 4 memory slots (sometimes more on high-end motherboards). The most common types of RAM are SDRAM and DDR for desktop computers and SODIMM for laptop computers, each having various types and speeds.
DIMM
Number of memory slots:
2
Supported memory types: Types of memory which can be used with the product.
DDR4-SDRAM

Processor

Supported processor sockets: The sockets (plugs) for processors that are supported (can be used) by the device.
Socket AM4
Compatible processor series: A processor which is compatible with this device, belongs to a 'series' which is part of 'family' e.g Celeron D, Celeron G, Celeron M, or, in some cases, is the same as 'family'.
AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
Processor socket: Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
Socket AM4
Processor manufacturer: The manufacturer that produced the processor.
AMD

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Product comparison

The MSI PRO B550M-B motherboard is compared with an identical alternative model MSI PRO B550M-B (alternative variant), larger ATX form factor boards MSI PRO B550M-P and MSI PRO B550M-P (alternative variant), as well as wireless-equipped alternatives GIGABYTE B550M K WIFI6E and ASUS PRIME B550M-K WIFI. All compared devices are built on the AMD B550 chipset, use Socket AM4, and support AMD Ryzen 3000, 4000, and 5000 series processors. Key differences include form factor, maximum supported DDR4 memory capacity, number of memory slots, and built-in wireless networking options.

⚙️ Below is a comparison of specifications such as motherboard form factor, maximum memory capacity and slot count, Wi-Fi support, and display outputs.

ParameterMSI PRO B550M-BMSI PRO B550M-BMSI PRO B550M-PMSI PRO B550M-PGIGABYTE B550M K WIFI6EASUS PRIME B550M-K WIFIPractical Significance
Socket & ChipsetAMD AM4 / B550AMD AM4 / B550AMD AM4 / B550AMD AM4 / B550AMD AM4 / B550AMD AM4 / B550All boards offer identical core compatibility with AMD Ryzen processors and PCIe 4.0 support.
Form FactorMicro ATXMicro ATXATXATXMicro ATXMicro ATXThe MSI PRO B550M-B is compact and fits smaller PC cases, whereas ATX versions require a roomier chassis.
Memory (Max / Slots)64 GB / 2 slots64 GB / 2 slots128 GB / 4 slots128 GB / 4 slots128 GB / 4 slots64 GB / 2 slotsFour-slot memory boards allow future upgrades up to 128 GB, while two-slot versions are capped at 64 GB.
Wireless NetworkingNoNoNoNoWi-Fi 6EWi-Fi 6GIGABYTE and ASUS alternatives feature built-in Wi-Fi for convenient wireless connectivity.

◎ The table below evaluates how well each motherboard suits different user needs, space constraints, and connectivity requirements.

Use CaseRecommended ProductWhy
Compact home or office buildMSI PRO B550M-BIdeal for basic desktop PCs in smaller cases where extreme memory expansion is not needed.
System requiring wireless internetGIGABYTE B550M K WIFI6E or ASUS PRIME B550M-K WIFIBuilt-in Wi-Fi eliminates the need to purchase a separate wireless adapter card.
Workload needing high memory capacityMSI PRO B550M-P or GIGABYTE B550M K WIFI6EFour memory slots allow installing up to 128 GB of RAM for demanding applications.
MSI PRO B550M-B is best suited for users building a reliable, everyday home or office PC with an AMD Ryzen processor in a space-saving Micro ATX chassis. Choose this model if 64 GB of RAM and standard wired networking meet your needs. If you require higher memory capacity or built-in Wi-Fi connectivity, consider the alternative boards in the comparison.
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Customer reviews

Customer questions

FAQ

How much does the MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX cost, and is it available for purchase?

The price is 89.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Tuesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
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For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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What is the warranty period?

All MSI products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MSI service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: bios type, audio output channels, motherboard chipset, motherboard chipset family, motherboard form factor, component for, wi-fi, dvi-d ports quantity, hdmi ports quantity, vga (d-sub) ports quantity, ethernet lan (rj-45) ports, usb 3.2 gen 2 (3.1 gen 2) type-c ports quantity, usb 3.2 gen 2 (3.1 gen 2) type-a ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-c ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, usb 2.0 ports quantity, number of sata iii connectors, usb 3.2 gen 2 (3.1 gen 2) connectors, usb 3.2 gen 1 (3.1 gen 1) connectors, usb 2.0 connectors, maximum internal memory, number of memory slots, processor socket, processor manufacturer, parallel processing technology support, supported storage drive interfaces, supported memory types, compatible processor series, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for MSI PRO B550M-B Motherboard AMD B550 Socket AM4 Micro ATX?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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