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

**URL:** https://aio.lv/en/product--asus-90mb14v0-m0eay0--3504264
**Data updated:** 2026-02-17 11:44 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB14V0-M0EAY0
**EAN:** 4718017758284
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 81.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 67.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb14v0-m0eay0--3504264

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 02.07.2026 | 1.89 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The ASUS PRIME B550M-K is a micro ATX motherboard designed for AMD processors, featuring an AM4 socket and supporting AMD Ryzen 3000 Series. It supports DDR4-SDRAM memory with a maximum capacity of 128 GB across DIMM slots. The board offers M.2 and SATA interfaces for storage drives and includes a Realtek RTL8111H LAN controller for reliable networking. Ideal for building a powerful and efficient PC.

## Long description

The ASUS PRIME B550M-K is a Micro ATX motherboard for Socket AM4, designed to support 3rd Generation AMD Ryzen processors and DDR4 memory up to 128 GB. Built on the AMD B550 chipset, it offers M.2 and SATA storage interfaces, multiple PCIe slots and a Realtek RTL8111H LAN controller for reliable networking. The board combines a robust power design, comprehensive cooling options and intuitive firmware and software tools to provide a stable foundation for daily computing and DIY PC builds.
Advantages
The motherboard provides flexible performance tuning through ASUS firmware and software, hybrid fan headers and comprehensive cooling controls for stable operation under load, and refined onboard features for improved audio and system customization. Its Micro ATX form factor balances compact size with practical expansion options, making it suitable for space-conscious builds without sacrificing essential connectivity.
Suitable for
 Home and office PCs running AMD Ryzen 3000 series processors
 Compact DIY builds using a Micro ATX chassis
 Systems requiring M.2 NVMe or SATA storage expansion
 Users who need stable LAN connectivity for everyday networking
Key specifications
 Form factor: Micro ATX
 Chipset: AMD B550
 Socket: AM4 (supports 3rd Gen AMD Ryzen)
 Memory: DDR4, up to 128 GB across 4 DIMM slots
 Expansion: PCIe slots including PCIe x1 Gen3 variants
 Storage interfaces: M.2 and SATA
 LAN controller: Realtek RTL8111H
 Weight: 0.785 kg
How to use
Install the ASUS PRIME B550M-K into a compatible Micro ATX case and mount an AM4-compatible AMD Ryzen CPU following the motherboard and CPU manufacturer instructions. Populate DDR4 DIMM slots up to the supported capacity, connect storage drives to M.2 or SATA connectors, and attach power, cooling fans and peripherals. Use the UEFI BIOS or ASUS Fan Xpert 2+ software to configure fan curves, adjust performance settings and apply system tuning. Update drivers and utilities from the ASUS support site for optimal compatibility.
Usage recommendations
For stable performance, use quality power supplies and compatible DDR4 memory modules within the motherboard's supported specifications, keep BIOS and drivers up to date, and configure cooling profiles via Fan Xpert 2+ or the UEFI BIOS based on your workload.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro ATX |
| Motherboard chipset | AMD B550 |
| Windows operating systems supported | Windows 10 |
| 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 | 4133, 4600, 4400, 2133, 2400, 2666, 2800, 3000, 3200, 3333, 3466, 3600, 3733, 3866, 4000, 4266 |
| Memory slots type | DIMM |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 2 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| ATX Power connector (24-pin) | Yes |
| 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 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 244 mm |
| Depth | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Weight | 0.785 kg |
| Height | 51 mm |

### Logistics data

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

## FAQ

### How much does the Motherboard ASUS PRIME B550M-K, 90MB14V0-M0EAY0 cost, and is it available for purchase?

The price is 81.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 354 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 Monday 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 Motherboard ASUS PRIME B550M-K, 90MB14V0-M0EAY0 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, pci express x1 (gen 3.x) slots, weight, 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-K, 90MB14V0-M0EAY0?

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/3504264/65417329_large.webp