# Motherboard ASUS PRIME B550M-A, AMD B550, Socket AM4, micro ATX

**URL:** https://aio.lv/en/product--asus-primeb550m-a--3502723
**Data updated:** 2025-12-29 10:57 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** PRIMEB550M-A
**EAN:** 192876755525
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 91.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 76.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-primeb550m-a--3502723

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The ASUS PRIME B550M-A motherboard supports AMD Ryzen 3000 Series processors with Socket AM4. It features a micro ATX form factor, up to 128 GB of DDR4 memory, and multiple storage options including M.2 and SATA interfaces. The Realtek 8111H LAN controller ensures reliable network connectivity, making this motherboard a solid choice for building a powerful and efficient PC.

## Long description

The ASUS PRIME B550M-A is a micro ATX motherboard for the AMD B550 platform with Socket AM4 support for 3rd Generation AMD Ryzen processors. It offers a solid power design, comprehensive cooling features and flexible connectivity including M.2 and SATA storage options, plus Realtek LAN for reliable network access. The board supports up to 128 GB of DDR4 memory across four DIMM slots and provides the fundamentals needed for everyday productivity and DIY PC building.
Advantages
The PRIME B550M-A provides extensive tuning options via intuitive firmware and software, allowing users to adjust performance and system behavior. Its thermal design includes a VRM heatsink with thermal pad and multiple onboard heatsinks plus hybrid fan headers to maintain stable temperatures under load. Audio-focused engineering—such as audio shielding, separate PCB layers for left/right channels and premium Japanese capacitors—delivers improved sound quality. The micro ATX form factor combines compact sizing with a useful set of connectivity and expansion features.
Suitable for
Home and office PCs that require stable daily performance
Compact gaming or multimedia systems using 3rd Gen AMD Ryzen CPUs
DIY builders seeking a micro ATX motherboard with M.2 and SATA storage support
Users who want enhanced onboard audio and basic network connectivity
Key specifications
Chipset: AMD B550
Socket: AM4 (supports 3rd Generation AMD Ryzen)
Form factor: Micro ATX
Memory: 4 DIMM slots, up to 128 GB DDR4
Storage interfaces: M.2 and SATA
LAN controller: Realtek 8111H
How to use
Install the motherboard into a compatible micro ATX case and connect the AMD Ryzen processor into the AM4 socket following the CPU and cooler installation instructions. Populate DDR4 memory modules into the DIMM slots according to the manual to enable dual-channel operation. Attach storage devices to M.2 or SATA connectors and connect power, front-panel headers and peripherals. Use the UEFI firmware and ASUS utilities to configure performance settings, fan curves and onboard devices.
Usage recommendations
For stable operation, ensure your CPU cooler provides adequate cooling for your chosen Ryzen processor and that the chassis airflow supports the motherboard's thermal layout. Update the BIOS/UEFI and network/audio drivers from Asus official support to maintain compatibility and performance.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro ATX |
| Motherboard chipset | AMD B550 |
| Motherboard chipset family | AMD |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 128 GB |
| Supported memory types | DDR4-SDRAM |
| Supported memory clock speeds | 4400, 4266, 4133, 4000, 3866, 3733, 3600, 3466, 3333, 3200, 3000, 2800, 2666, 4600, 2400, 2133 |
| Memory slots type | DIMM |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.1 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| LAN controller | Realtek 8111H |

### Internal I/O

| Feature | Value |
|---|---|
| Number of SATA connectors | 4 |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| PS/2 ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 1 |
| HDMI ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |

### Storage controllers

| Feature | Value |
|---|---|
| Supported storage drive interfaces | M.2, SATA |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Motherboard ASUS PRIME B550M-A, CODE: PRIMEB550M-A cost, and is it available for purchase?

The price is 91.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 08.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Motherboard ASUS PRIME B550M-A, CODE: PRIMEB550M-A 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 Asus 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 Asus 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: motherboard form factor, motherboard chipset, processor socket, number of memory slots, maximum internal memory, supported memory types, 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 Motherboard ASUS PRIME B550M-A, CODE: PRIMEB550M-A?

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/3502723/65417276_large.webp