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Gigabyte B550M K AM4 B550 micro ATX Motherboard DDR4 Dual M.2 Gigabit LAN

Brand:
GigaByte
Gigabyte B550M K AM4 B550 mATX Motherboard
Gigabyte B550M K AM4 B550 micro ATX Motherboard DDR4 Dual M.2 Gigabit LAN
€109.18 inc. VAT
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B550M K
€91.75 €101.94
€109.18 inc. VAT
Ships from EU stock: 28 item(s)
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Product Code
04:430856
EAN Code
4719331852764
Manufacturer
GigaByte

Quick Specs

Socket
AMD AM4
Chipset
AMD B550
Memory
4 x DDR4 DIMM, up to 128GB
Expansion
PCIe 4.0 Ready x16 Slot
Storage
2 x M.2 + 4 x SATA 6Gb/s
Networking
Gigabit LAN
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Gigabyte B550M K AM4 B550 mATX Motherboard

A compact Gigabyte AM4 motherboard for practical Ryzen builds, combining AMD B550 chipset support, DDR4 memory, PCIe 4.0 graphics readiness, dual M.2 storage and Gigabit LAN.
AMD AM4AMD B550DDR4 128GBDual M.2

The Gigabyte B550M K is a micro ATX motherboard for AMD AM4 desktop systems, suitable for value-focused Ryzen builds that need a stronger platform than entry-level A520 boards. It supports compatible Ryzen 5000, 5000 G-Series, 4000 G-Series, 3000 and 3000 G-Series processors, dual-channel DDR4 memory, a PCIe 4.0 ready x16 slot, dual M.2 storage, four SATA 6Gb/s ports, DisplayPort and HDMI outputs with compatible processors, and Gigabit Ethernet.

Compatibility Note: Please confirm CPU support and BIOS compatibility before purchase. DisplayPort and HDMI output require an AMD Ryzen processor with integrated graphics.
Best For
✓ AMD Ryzen AM4 desktop builds
✓ Office, home and value gaming PCs
✓ Compact micro ATX cases
✓ Systems needing PCIe 4.0 graphics and dual M.2 storage

Key Features

 
AMD B550 Platform
Built on the AMD B550 chipset, this board gives AM4 Ryzen users a practical platform with PCIe 4.0 graphics readiness and modern storage flexibility.
 
Four DDR4 Memory Slots
Four DDR4 DIMM slots provide better memory expansion flexibility than two-slot entry boards, supporting dual-channel ECC and non-ECC unbuffered DDR4 memory.
 
Dual M.2 Storage
Dual ultra-fast NVMe M.2 connectors support PCIe 4.0 and PCIe 3.0 storage configurations, while four SATA 6Gb/s ports allow extra SSD or hard drive expansion.
 
Essential Connectivity
DisplayPort, HDMI, USB 3.2 Gen 1, Gigabit LAN and onboard audio cover the everyday connectivity needs of mainstream desktop systems.

Technical Specifications

Model Gigabyte B550M K
Part Number B550M K
EAN 4719331852764
Socket AMD AM4
Chipset AMD B550
CPU Support AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series processors
Memory 4 x DDR4 DIMM slots, dual-channel ECC and non-ECC unbuffered DDR4, up to 128GB
Expansion Slots 1 x PCIe 4.0 ready x16 slot + PCIe x1 expansion
Storage 2 x M.2 connectors with PCIe 4.0/3.0 support + 4 x SATA 6Gb/s ports
Display Outputs 1 x DisplayPort + 1 x HDMI
USB USB 3.2 Gen 1 + USB 2.0/1.1 ports
LAN Gigabit Ethernet LAN with bandwidth management
Audio HD Audio with high quality audio capacitors and audio noise guard
Form Factor micro ATX

Frequently Asked Questions

Does this motherboard support Ryzen 5000 processors?
Yes, the Gigabyte B550M K supports compatible AMD Ryzen 5000 Series and 5000 G-Series processors, but BIOS compatibility should still be checked before purchase.
Can I use the DisplayPort or HDMI output?
Only with a compatible AMD Ryzen processor that includes integrated graphics. CPUs without integrated graphics require a separate graphics card.
Is this better than a basic A520 motherboard?
Yes, it offers the AMD B550 platform with PCIe 4.0 graphics readiness and dual M.2 storage support, making it more flexible for many AM4 builds.
Singular Expert Insight
Choose the Gigabyte B550M K if you want a value AM4 motherboard with stronger upgrade flexibility than A520, including PCIe 4.0 graphics readiness and dual M.2 storage. If you need integrated Wi-Fi, USB-C or higher-end power delivery, consider a more premium B550 model instead.

Buyer’s Guide

Buy it if
You need a cost-effective AM4 B550 micro ATX motherboard for a Ryzen desktop with DDR4 memory, PCIe 4.0 graphics readiness and dual M.2 storage.
Skip it if
You need onboard Wi-Fi, USB-C, 2.5G LAN, more advanced rear connectivity or a motherboard for higher-end gaming and workstation upgrades.
Also consider
Consider a higher Gigabyte B550 model if you want built-in Wi-Fi, more USB options, stronger VRM features or a more premium AM4 build.

Features - GigaByte - B550M K

More Details
Product Code
04:430856
EAN Code
4719331852764
Manufacturer
GigaByte
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