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Gigabyte B550M K

Motherboard Micro ATX Socket AM4 AMD B550 - 4x DDR4 - M.2 PCIe 4.0 - USB 3.0 - PCI-Express 4.0 16x

89€95
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Lowest selling price: 89€95*
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Overview

AM4 socket and PCI-Express 4.0 motherboard

The Gigabyte B550M K motherboard will be perfect for assembling a gaming and scalable configuration for the future.Designed for AMD Ryzen 3000/4000(G)/5000(G) processors on socket AMD AM4, it supports up to 128 GB DDR4, PCI-Express 4.0 graphics cards and also hard drives and SSDs in SATA (6 Gbit/s) and M.2 format (SATA and PCIe 4.0 x4). The Gigabyte B550M K motherboard also features the latest software advances from Gigabyte.

Benefits of the Gigabyte B550M K

  • AMD AM4 socket for AMD Ryzen (PRO)3000 / (PRO)4000(G) / (PRO)5000(G) processor
  • 4 Dual-Channel DDR4 4733 MHz (OC) memory slots
  • Dual M.2 PCIe NVMe 4.0/3.0 x4
  • 3 PCI-Express 4.0 16x ports (x16/x4/x2)
  • Smart Fan 5 cooling control

AMD Ryzen 5000

When you have the most advanced processor architecture for gamers and content creators, the possibilities are endless. Whether you're playing the latest games, designing the next skyscraper or working with data, you need a powerful processor that can handle it all and more. There's no doubt about it, AMD Ryzen 5000 Series desktop processors are setting a new standard for gamers and artists alike.

Information provided by our tech department This motherboard is compatible with Ryzen 3000 processors and above. Ryzen 3 3200G and Ryzen 5 3400G are not supported. A BIOS update may be required for the most recent processors. If in doubt, please refer to the processor compatibility list on the manufacturer's website.
Specifications
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General information

Product name

Gigabyte B550M K

Brand

Gigabyte

Model

B550M K

Processor

Processor support

AMD AM4

Number of CPUs supported

1

Chipset

Chipset

AMD B550

Memory

Memory format

4 X DIMM 288-pin (DDR4)

Memory Frequency(ies)

DDR4 4266 MHz
DDR4 4133 MHz
DDR4 3866 MHz
DDR4 3733 MHz
DDR4 2133 MHz
DDR4 2400 MHz
DDR4 2666 MHz
DDR4 2933 MHz
DDR4 3200 MHz
DDR4 3600 MHz
DDR4 4000 MHz
DDR4 4400 MHz
DDR4 4600 MHz
DDR4 4733 MHz
DDR4 3466 MHz
DDR4 3400 MHz

Memory type

DDR4

Memory technology

Dual Channel

Maximum RAM capacity per slot

32 GB

Maximum RAM capacity

128 GB

Graphic

Integrated graphics controller

No

Compatible graphics core integrated in the CPU

Yes

Expansion slots

Graphic connector(s)

1 X PCI Express 4.0 x16

Number and Type of slots

1 X PCI Express 3.0 x1

Multi-GPU type

None

Audio

Audio Chipset

Integrated

Number of audio channels

8

Network

Number of ports/Ethernet controler

1 X Realtek GbE LAN

Network standard(s)

100/1000 Mbps

Wi-Fi

No

Storage

RAID supported

Yes

Hard drives connectors

1 X M.2 - PCI-E 3.0 x2
4 X Serial ATA 6Gb/s (SATA Revision 3)
1 X M.2 - PCI-E 4.0 x4 + SATA 6 Gb/s

Number of M.2 slot(s)

2

Supported RAID Modes

10
1
0

Connectivity

Motherboard connector location

Standard connectors (on the motherboard)

Rear panel connectors

1 X HDMI Female
4 X USB 3.0
4 X USB 2.0
1 X RJ45 Female
1 X MiniDin 6 Female (PS/2)
3 X 3.5mm Jack Female Stereo
1 X DisplayPort Female

Additional connectors

1 X ATX 24 Pin
2 X Internal USB 2.0
2 X Internal USB 3.0
1 X +12V (Power supply P8)
Front panel audio

Physical characteristics

Motherboard format

Micro ATX

Length

244 mm

Width

244 mm

Equipment

Advanced overclocking features

Yes

Use

Office
Multimedia

LED

No

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

Giga-Byte Technology BV

Postal address

Steenoven 24, 5626 DK Eindhoven, Netherlands

Electronic Address

EU.grp@gigabyte.com

Product referenced on 17 Aug 2023

Customer reviews
  • 83%
    5 reviews
  • 17%
    1 review
  • 0%
  • 0%
  • 0%
  • by JeremyD
    Posted on 13 May 2026
    Bought on 15 Apr 2026 from LDLC
    Number of reviews: 2 Average rating: 10

    Nothing to say

    Everything is perfect, the PC purrs like a charm. My son is delighted. He was afraid of losing everything. A top team.

    Review automatically translated
  • by Sylvain J
    Posted on 27 Dec 2025
    Bought on 28 Nov 2025 from LDLC
    Number of reviews: 12 Average rating: 10

    Small but powerful

    Small motherboard. Very well made. The clips for the M2s are very practical, motherboard with very practical BIOS.

    Review automatically translated
  • by TangiF
    Posted on 2 Jul 2025
    Bought on 4 Jun 2025 from LDLC
    Number of reviews: 2 Average rating: 10

    Excellent B550M K motherboard - High-performance, stable and well-equipped!

    Very pleased with this Gigabyte B550M K motherboard. Easy installation, good compatibility with Ryzen processors (up to 5000 series), and a clear BIOS. It has a fast M.2 NVMe port, DDR4 slots up to 4733 MHz (OC) and USB 3.2.

    - The Gigabyte APP Center software comes in handy with :

    - EasyTune for overclocking,

    - SIV for monitoring temperatures and fans,

    - RGB Fusion 2.0 to manage lighting effects,

    - @BIOS for easy upgrades.

    Micro-ATX format ideal for a compact configuration. For the price, it's an excellent, reliable, high-performance base. I'd definitely recommend it!

    Review automatically translated
  • by Pascale B
    Posted on 9 Apr 2025
    Bought on 8 Mar 2025 from LDLC
    Number of reviews: 3 Average rating: 10

    Very satisfied!

    The product is as expected
    Fast delivery
    As usual, I highly recommend LDLC!

    Review automatically translated
  • by LeoD
    Posted on 15 Feb 2025
    Bought on 9 Feb 2025 from LDLC
    Number of reviews: 1 Average rating: 10

    Perfect motherboard

    Perfect motherboard, bought to fit a AMD Ryzen 5 5600X. There's no better AM4 motherboard for the price, especially with 2 M2 NVME sockets and USB 3.2. Quick and easy installation in an ATX case. The BIOS is quick and easy to configure.

    Review automatically translated

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