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header-product Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
81.99 €

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

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

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Short 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.
Available at price 81.99 €: 10 pcs.
Total available for order: 354 pcs.
Warranty: 3 Years
SKU: 3504264
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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02.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.91 kg)
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Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
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From 1.89 €
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Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 2.28 euros per month
Price for companies: 67.76€ Price is valid only for legal clients
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Product information

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

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B550
Processor socket:
Socket AM4
Number of memory slots:
4
Maximum internal memory:
128 GB
PCI Express x1 (Gen 3.x) slots:
2
Weight:
0.785 kg
Supported memory types:
DDR4-SDRAM
All features

Features

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B550
Windows operating systems supported:
Windows 10
Motherboard chipset family:
AMD

Processor

Processor manufacturer:
AMD
Processor socket:
Socket AM4

Memory

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

PCI Express x1 (Gen 3.x) slots:
2
Number of M.2 (M) slots:
2
PCI Express x16 (Gen 4.x) slots:
1

Network

Ethernet LAN:
Yes
LAN controller:
Realtek RTL8111H
Wi-Fi:
No

Internal I/O

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

PS/2 ports quantity:
1
USB 2.0 ports quantity:
0
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 1 (3.1 Gen 1) Type-C ports quantity:
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
0

Storage controllers

Supported storage drive interfaces:
M.2, SATA

BIOS

BIOS memory size:
256 Mbit
BIOS type:
UEFI AMI

Weight & dimensions

Width:
244 mm
Depth:
244 mm

Other features

Weight:
0.785 kg
Height:
51 mm

Logistics data

Harmonized System (HS) code:
84733020

Description

Machine translation. Load original

Reasons to buy

All-around Energy Efficiency

With the Energy Processing Unit (EPU), you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode.

Flexible Cooling Controls

Fan Xpert 2+ software provides comprehensive control over system fans. Auto-Tuning mode intelligently configures all parameters with a single click. There's also an Extreme Quiet mode that reduces chassis fan speeds below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.

Precise Digital Power Control

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for optimal stability and performance.

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Stock data
Warehouse Stock Delivery to the store Store Price
BT5 10 Monday 81.99 € Best price
BT19 29 Friday Best delivery 83.99 €
WH166 38 09.07.2026 85.49 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 38 23.07.2026 102.49 €
WH345 19 09.07.2026 131.99 €
81.99 €
Stock: 10
Delivery Date: Monday
Warehouse: BT5
83.99 €
Stock: 29
Delivery Date: Friday Best delivery
Warehouse: BT19
85.49 €
Stock: 38
Delivery Date: 09.07.2026
Warehouse: WH166
88.49 €
Stock: 50
Delivery Date: 09.07.2026
Warehouse: WH115
89.49 €
Stock: 14
Delivery Date: 09.07.2026
Warehouse: EU85
92.49 €
Stock: 77
Delivery Date: 13.07.2026
Warehouse: WH353
111.99 €
Stock: 1
Delivery Date: Monday
Warehouse: BT10
116.49 €
Stock: 15
Delivery Date: 09.07.2026
Warehouse: EU16
121.49 €
Stock: 53
Delivery Date: 09.07.2026
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127.49 €
Stock: 10
Delivery Date: 09.07.2026
Warehouse: WH94
Available only for legal entities
102.49 €
Stock: 38
Delivery Date: 23.07.2026
Warehouse: WH109
131.99 €
Stock: 19
Delivery Date: 09.07.2026
Warehouse: WH345

Customer reviews

Customer questions

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. 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 Motherboard ASUS PRIME B550M-K, 90MB14V0-M0EAY0 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. 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: 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.
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