Product details

Gigabyte B550M K AMD B550 AM4 Micro-ATX Motherboard – MB-GB550MK

Build a powerful, reliable, and versatile desktop computer with the Gigabyte B550M K AMD B550 Motherboard, designed to support AMD Ryzen processors and deliver excellent performance for gaming, productivity, and everyday computing.

Powered by the AMD B550 chipset and featuring the AMD AM4 processor socket, this motherboard supports AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, and Ryzen 3000 Series desktop processors, offering an excellent platform for modern AMD-based PC builds.

Equipped with four DDR4 DIMM slots supporting up to 128GB of dual-channel memory, the B550M K provides flexible memory expansion and supports high-speed DDR4 memory through overclocking and AMD EXPO/XMP-compatible memory profiles, subject to supported configurations.

For high-performance graphics and expansion, the motherboard features a PCI Express 4.0 x16 slot, providing high-bandwidth connectivity for compatible graphics cards. An additional PCIe 3.0 x4 physical x16 slot and PCIe x1 slot offer further expansion possibilities.

Storage connectivity is provided through two M.2 connectors supporting high-speed NVMe SSDs, together with four SATA 6Gb/s connectors for conventional SSDs and hard drives. This combination allows users to build a responsive storage configuration with plenty of room for expansion.

Gigabyte’s Digital VRM solution and high-quality motherboard components provide stable processor power delivery. The Smart Fan 5 cooling technology incorporates multiple temperature sensors and hybrid fan headers, allowing users to customise cooling performance according to system temperatures.

Additional features include Realtek Gigabit Ethernet, high-definition 7.1-channel audio, HDMI and DisplayPort video outputs, USB 3.2 connectivity, and Gigabyte Q-Flash Plus technology for convenient BIOS updating.

With its compact Micro-ATX form factor, the Gigabyte B550M K is an excellent choice for gaming computers, home workstations, and versatile desktop PC builds.

FEATURES:

• AMD B550 chipset with AMD AM4 processor socket.


• Supports AMD Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 Series processors.


• Four DDR4 DIMM slots supporting up to 128GB of system memory.


• Dual-channel DDR4 memory architecture.


• Supports DDR4 memory speeds up to 4733MHz (O.C.), depending on processor and memory configuration.


• PCI Express 4.0 x16 graphics slot for compatible high-performance graphics cards.


• Two M.2 connectors for high-speed NVMe SSD storage.


• Four SATA 6Gb/s connectors for additional storage devices.


• Gigabyte Digital VRM solution for reliable processor power delivery.


• Smart Fan 5 technology with five temperature sensors.


• Two hybrid fan headers for flexible cooling configurations.


• RGB Fusion 2.0 lighting support.


• Addressable RGB LED strip support.


• Realtek Gigabit LAN with bandwidth management.


• Realtek 7.1-channel HD audio.


• HDMI and DisplayPort video outputs.


• Gigabyte Q-Flash Plus technology for convenient BIOS updating.


• Durable PCB construction with anti-sulfur resistor design.


• Compact Micro-ATX form factor.

SPECIFICATIONS:

GENERAL

• Brand: Gigabyte


• Product Name: B550M K


• Model: B550M K


• Product Code: MB-GB550MK


• Chipset: AMD B550


• CPU Socket: AMD AM4


• Motherboard Form Factor: Micro-ATX


• PCB Dimensions: 24.4 x 24.4cm

PROCESSOR SUPPORT

• AMD Ryzen 5000 Series Processors


• AMD Ryzen 5000 G-Series Processors


• AMD Ryzen 4000 G-Series Processors


• AMD Ryzen 3000 Series Processors


• Processor Socket: AM4

MEMORY

• Memory Type: DDR4


• Memory Slots: 4 x DIMM


• Memory Architecture: Dual Channel


• Maximum Memory Capacity: 128GB


• Supported Memory Speed: Up to DDR4-4733 (O.C.)


• Standard Memory Speed: DDR4-3200


• Memory Support: ECC and Non-ECC Unbuffered DIMMs


• XMP Support: Yes

EXPANSION SLOTS

• 1 x PCIe 4.0 x16


• 1 x PCIe 3.0 x16 (operating at x4)


• 1 x PCIe 3.0 x1


• Multi-GPU Support: Not supported

STORAGE

• 2 x M.2 Connectors


• 4 x SATA III 6Gb/s Connectors


• NVMe SSD Support: Yes


• SATA SSD Support: Yes


• RAID Support: RAID 0, 1 and 10 (subject to supported configurations)

VIDEO OUTPUTS

• 1 x HDMI


• 1 x DisplayPort


• Integrated Graphics Support: Dependent on installed AMD processor

AUDIO

• Audio Chipset: Realtek ALC887


• Audio Channels: 7.1-channel HD Audio


• High-quality Audio Capacitors: Yes


• Audio Noise Guard: Yes

NETWORKING

• LAN Controller: Realtek Gigabit LAN


• Network Speed: 10/100/1000Mbps


• Bandwidth Management: Yes

USB CONNECTIVITY

• USB 3.2 Gen 1 Type-A: Available


• USB 2.0: Available


• Rear and Internal USB Connectivity: Yes

COOLING & LIGHTING

• Cooling Technology: Gigabyte Smart Fan 5


• Temperature Sensors: 5


• Hybrid Fan Headers: 2


• RGB Support: RGB Fusion 2.0


• Addressable RGB LED Support: Yes

POWER CONNECTORS

• 1 x 24-pin ATX Main Power


• 1 x 8-pin ATX 12V CPU Power

BIOS

• Gigabyte Q-Flash Plus: Supported


• BIOS Updating: Yes

OPERATING SYSTEM SUPPORT

• Windows 11 64-bit


• Windows 10 64-bit

WHAT’S IN THE BOX:

• Gigabyte B550M K AMD B550 Micro-ATX Motherboard x1


• SATA Data Cables (subject to package configuration)


• I/O Shield (integrated into motherboard design)


• User Documentation