# MSI PRO B550M-P Motherboard AMD B550 Socket AM4 ATX DDR4

**URL:** https://aio.lv/en/product--msi-pro-b550m-p--12759019
**Data updated:** 2026-11-05 04:32 (EET)
**Category:** Motherboards
**Manufacturer:** MSI
**Manufacturer code:** PRO B550M-P
**EAN:** 4711377453547
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 96.99 €
**Prices and availability valid until:** 2026-12-08 23:59
**Price without VAT (21%):** 80.16 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-pro-b550m-p--12759019

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | Friday | 1.99 EUR |
| Courier delivery to door | Friday | 4.99 EUR |

## Summary description

MSI PRO B550M-P 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 128GB, M.2 and SATA storage interfaces, and Gigabit Ethernet.

## Long description

The MSI PRO B550M-P Motherboard AMD B550 Socket AM4 ATX DDR4 is designed to deliver stable performance and reliable daily operation for modern desktop computers. Built around the AMD B550 chipset and utilizing the AM4 socket, this ATX motherboard accommodates AMD Ryzen 3000, 4000, and 5000 series processors. It provides comprehensive support for high-speed DDR4 memory up to 128GB across four DIMM slots, alongside advanced storage interfaces including M.2 and SATA for flexible data management.
Advantages
This motherboard incorporates robust power delivery systems and isolated memory circuitry to ensure signal stability and efficient operation under standard and demanding workloads. Integrated Gigabit Ethernet provides dependable wired network connectivity, while the inclusion of multiple USB ports and expansion slots allows for versatile hardware integration. Built-in circuit protection mechanisms help safeguard critical components from electrical fluctuations, contributing to overall system longevity and dependable everyday computing.
Suitable for
Building mainstream home and office desktop computers
Upgrading existing AMD Ryzen-based PC systems
Multi-tasking workstations requiring stable memory and storage configurations
General productivity, content viewing, and daily computing tasks
This motherboard does not include built-in Wi-Fi capabilities, meaning a separate wireless adapter or a wired Ethernet connection is required for network access. It is also not designed for advanced multi-GPU setups due to having a single primary PCI Express x16 slot.
Key specifications
Processor socket: Socket AM4
Compatible processors: AMD Ryzen 3000, 4000, and 5000 Series
Chipset: AMD B550
Form factor: ATX
Memory support: DDR4-SDRAM, up to 128 GB across 4 slots
Storage interfaces: M.2, PCI Express 4.0, PCI Express 3.0, SATA
Network: Gigabit Ethernet
Audio channels: 7.1
Begin by securing the motherboard inside a compatible ATX computer case, then install the AMD processor into the AM4 socket following proper alignment guidelines. Insert the DDR4 memory modules into the designated DIMM slots until the retention clips click into place. Connect your storage drives to the available M.2 or SATA ports, attach the power supply cables to the solid power connectors, and connect your peripherals to the rear and front panel ports before powering on the system.
What to consider before purchase
Ensure your computer case is compatible with the ATX form factor
Verify that your processor belongs to the supported AMD Ryzen 3000, 4000, or 5000 series
Plan for network connectivity, noting that a separate card is needed for Wi-Fi
Check power supply compatibility with the motherboard power connectors
Handle the motherboard by its edges to avoid touching sensitive components, use an anti-static wrist strap during installation, and ensure all drivers are updated properly after the operating system is installed.

## Specifications

### Technical details

| Feature | Value |
|---|---|
| Legal guarantee | 3 year(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Depth | 243.84 mm |
| Width | 243.84 mm |

### BIOS

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

### Expansion slots

| Feature | Value |
|---|---|
| 2nd M.2 highest PCI Express generation | 3.0 |
| 2nd M.2 largest key size | 2280 |
| 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 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 slots | 1 |
| PCI Express x1 (Gen 3.x) slots | 2 |

### Features

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

### Network

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

### Rear panel I/O ports

| Feature | Value |
|---|---|
| DisplayPort version | 1.4 |
| DisplayPorts quantity | 1 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| VGA (D-Sub) ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 6 |
| USB 2.0 ports quantity | 6 |

### Internal I/O

| Feature | Value |
|---|---|
| RGB LED pin header | Yes |
| TPM connector | Yes |
| Chassis intrusion connector | Yes |
| CPU fan connector | 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 | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 6 |
| USB 2.0 connectors | 4 |

### Graphics

| Feature | Value |
|---|---|
| On-board graphics card | Yes |
| Parallel processing technology support | Not supported |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 1, 10 |
| RAID support | Yes |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 2 |
| Supported storage drive interfaces | SATA, PCI Express 3.0, PCI Express 4.0, M.2 |
| Supported storage drive types | HDD & SSD |

### Memory

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

### Processor

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

## FAQ

### How much does the MSI PRO B550M-P Motherboard cost, and is it available for purchase?

The price is 96.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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-P Motherboard be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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-P Motherboard?

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.

## Image

https://aio.lv/img/cache/product/12759019/70890325_large.webp