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header-product Motherboard GIGABYTE B550M K Micro ATX, AMD B550, Socket AM4, 4x DIMM DDR4 up to 128GB, 2x M.2 (PCIe4.0/3.0), HDMI 2.1, Realtek RTL8111H
77.49 €

Motherboard GIGABYTE B550M K Micro ATX, AMD B550, Socket AM4, 4x DIMM DDR4 up to 128GB, 2x M.2 (PCIe4.0/3.0), HDMI 2.1, Realtek RTL8111H

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GIGABYTE B550M K Micro ATX motherboard Photo 1
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GIGABYTE B550M K Micro ATX motherboard Photo 1
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GIGABYTE B550M K Micro ATX motherboard Photo 3
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GIGABYTE B550M K Micro ATX motherboard Photo 5
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Motherboard GIGABYTE B550M K Micro ATX, AMD B550, Socket AM4, 4x DIMM DDR4 up to 128GB, 2x M.2 (PCIe4.0/3.0), HDMI 2.1, Realtek RTL8111H

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Motherboard GIGABYTE B550M K Micro ATX, AMD B550, Socket AM4, 4x DIMM DDR4 up to 128GB, 2x M.2 (PCIe4.0/3.0), HDMI 2.1, Realtek RTL8111H

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Short description

GIGABYTE B550M K is a Micro ATX motherboard for Socket AM4 processors (AMD Ryzen 3000 series compatible) based on the AMD B550 chipset. It supports 4 DDR4 DIMM slots up to 128 GB (unbuffered, ECC & non‑ECC) and memory speeds to 4733 MHz, two M.2 slots (one PCIe 4.0, one PCIe 3.0), 4 SATA III ports, RAID 1, Gigabit Ethernet (Realtek RTL8111H), HDMI 2.1 and DisplayPort 1.4 video outputs, Realtek ALC897 7.1 audio, UEFI AMI BIOS and passive cooling. Ideal for compact desktop builds requiring PCIe 4.0 storage and mainstream connectivity.
Available at price 77.49 €: 20 pcs.
Total available for order: 403 pcs.
Warranty: 3 Years
SKU: 7858760
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
13.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
16.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.11 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.89 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 2.15 euros per month
Price for companies: 64.04€ Price is valid only for legal clients
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Product information

Description

The GIGABYTE B550M K is a Micro ATX motherboard based on the AMD B550 chipset with Socket AM4, designed to support AMD Ryzen 5000 Series processors. It supports up to 128 GB of DDR4 memory across four slots with overclocking potential up to 4733 MHz (OC). The board includes two PCIe 3.0 M.2 slots, Gigabit Ethernet LAN and USB 3.2 Gen1 ports, and offers support for SSDs with RAID 0, 1 and 10 configurations for higher storage performance and redundancy.

Advantages

The B550M K combines a compact Micro ATX form factor with the feature set needed for performance-oriented builds: a modern AMD B550 chipset, four memory slots for up to 128 GB DDR4, dual M.2 NVMe capability and gigabit wired networking. Its support for high-frequency memory (OC) and common RAID modes makes it suitable for systems that require fast storage access and flexible capacity management while keeping a smaller motherboard footprint.

Suitable for

  • Gaming PC builds using AMD Ryzen 5000 series CPUs
  • Home or office desktops that need reliable wired networking
  • Compact workstations or content-creation rigs with M.2 SSD storage
  • Systems requiring up to 128 GB DDR4 memory for multitasking

Key specifications

  • Form factor: Micro ATX
  • Chipset: AMD B550
  • Socket: AM4 (supports AMD Ryzen 5000 Series)
  • Memory: 4 × DDR4 slots, up to 128 GB, supports up to 4733 MHz (OC)
  • Storage: 2 × PCIe 3.0 M.2 slots; SATA ports with RAID 0/1/10 support
  • Networking: Gigabit Ethernet LAN
  • USB: USB 3.2 Gen1 connectivity

How to use

Install the motherboard into a compatible Micro ATX case and mount an AM4-compatible CPU, cooling solution and memory modules across the four DDR4 slots according to the manual to enable dual-channel operation. Connect NVMe M.2 drives or SATA SSDs/HDDs as needed and configure RAID levels in the BIOS if redundancy or striping is required. Attach power connectors, GPU (if used) and peripherals, then enter BIOS/UEFI to verify memory frequency, boot order and device detection before installing the operating system.

Usage recommendations

For best stability and performance, update the motherboard BIOS to the latest version when using newer Ryzen 5000 CPUs, install matched DDR4 memory modules for dual-channel operation, and use high-quality cooling for both CPU and VRM areas when overclocking memory or CPU.

Specifications

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B550
Component for:
PC
Processor socket:
Socket AM4
Number of memory slots:
4
Maximum internal memory:
128 GB
Supported memory types:
DDR4-SDRAM
All features

Features

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B550
Component for:
PC
Audio output channels:
7.1
Cooling type:
Active
PC health monitoring:
FAN, Temperature, Voltage
Windows operating systems supported:
Windows 10 x64, Windows 11 x64
Motherboard chipset family:
AMD
Power source type:
ATX
Product colour:
Brown

Processor

Processor manufacturer:
AMD
Compatible processor series:
AMD Ryzen 5
Processor socket:
Socket AM4
Maximum internal memory supported by processor:
128 GB

Memory

Number of memory slots:
4
Maximum internal memory:
128 GB
Supported memory types:
DDR4-SDRAM
Supported memory clock speeds:
2133, 2400, 2667, 2933, 3200, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600, 4733
Memory channels:
Dodeca-channel
Unbuffered memory:
Yes
Memory slots type:
DIMM
Supported memory module capacities:
1GB, 2GB, 4GB, 8GB, 16GB, 32GB
Supported memory clock speed (max):
4733 MHz
ECC сompatibility:
ECC & non-ECC

Expansion slots

PCI Express x16 slots:
1
PCI Express x1 slots:
1
Number of M.2 (M) slots:
2

Graphics

Maximum resolution:
5120 x 2880
Parallel processing technology support:
Not supported
DirectX version:
12.0
HDCP:
Yes
Graphics card family:
AMD
On-board graphics card:
Yes

Network

Ethernet LAN:
Yes
Wi-Fi:
No
Ethernet interface type:
Gigabit Ethernet

Internal I/O

USB 2.0 connectors:
1
CPU fan connector:
Yes
ATX Power connector (24-pin):
Yes
Front panel audio connector:
Yes
Power fan connector:
Yes
TPM connector:
Yes
EPS power connector (8-pin):
Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors:
1
Number of SATA III connectors:
4
Audio connector:
Yes
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
Total number of SATA connectors:
4
Front panel connector:
Yes
12V power connector:
Yes

Rear panel I/O ports

PS/2 ports quantity:
1
Line-in:
Yes
USB 2.0 ports quantity:
4
Ethernet LAN (RJ-45) ports:
1
Headphone outputs:
1
Microphone in:
Yes
VGA (D-Sub) ports quantity:
0
DVI-D ports quantity:
0
HDMI ports quantity:
1
HDMI version:
2.1
DisplayPorts 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:
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
0

Storage controllers

RAID levels:
1, 10
Supported storage drive types:
SSD
RAID support:
Yes
Number of storage drives supported:
6
Supported storage drive interfaces:
M.2, SATA

Technical details

Warranty period:
3 year(s)

BIOS

BIOS memory size:
128 Mbit
BIOS type:
UEFI AMI
ACPI version:
5.0
Clear CMOS jumper:
Yes
Desktop Management Interface (DMI) version:
2.7
System Management BIOS (SMBIOS) version:
2.7

Weight & dimensions

Width:
244 mm
Depth:
244 mm

Other features

Number of HDDs supported:
2
Supported processor sockets:
Socket AM4
Package weight:
837 g
Height:
35 mm
DisplayPort version:
1.4

Packaging content

Bundled software:
Norton® Internet Security (OEM version) LAN bandwidth management software
Batteries included:
Yes

Packaging data

Package depth:
265 mm
Package height:
54 mm
Package width:
265 mm

Battery

Battery technology:
Lithium-Manganese Dioxide (LiMnO2)
Battery type:
CR2032
Number of battery cells:
1
Battery weight:
3 g
Lithium weight per battery:
0.07 g

Logistics data

Country of origin:
China
Products per shipping (inner) case:
1 pc(s)

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Stock data
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EU85 20 13.07.2026 77.49 €
WH94 50 13.07.2026 77.99 €
BT5 4 Wednesday 78.99 €
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WH109 16 27.07.2026 89.99 €
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77.99 €
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78.99 €
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Stock: 28
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84.49 €
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91.99 €
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Delivery Date: 27.07.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the GIGABYTE B550M K Micro ATX motherboard cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 403 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 13.07.2026 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 GIGABYTE B550M K Micro ATX motherboard 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 GIGABYTE B550M K Micro ATX motherboard 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 GIGABYTE 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 GIGABYTE 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, component for, 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 GIGABYTE B550M K Micro ATX 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.
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