The Gigabyte B550M K is a reliable and cost-effective Micro-ATX motherboard designed for AMD Ryzen processors on the AM4 platform. Built on the AMD B550 chipset, it delivers dependable performance, modern connectivity and upgrade flexibility for home users, office environments and budget-conscious gaming systems.

Supporting AMD Ryzen 5000 Series, 4000 G-Series and 3000 Series processors, the B550M K provides an ideal foundation for everyday computing, productivity and gaming. With support for high-speed DDR4 memory, PCIe 4.0 technology and M.2 NVMe storage, it offers excellent value for users building a modern AMD-based desktop PC.

Built for AMD Ryzen Processors

Designed for AMD Ryzen desktop processors, the AM4 platform delivers strong performance for gaming, multitasking, content creation and everyday productivity workloads.

PCIe 4.0 Support

Take advantage of PCIe 4.0 technology for improved graphics card bandwidth and faster storage performance when paired with compatible Ryzen processors, helping future-proof your system for modern hardware.

High-Speed DDR4 Memory Support

Dual-channel DDR4 memory support ensures responsive system performance, smooth multitasking and efficient handling of modern applications and workloads.

Fast M.2 NVMe Storage

An onboard M.2 slot allows for high-speed NVMe SSD installation, significantly improving boot times, application loading speeds and overall system responsiveness.

Reliable Gigabit Networking

Integrated Gigabit Ethernet provides stable and reliable wired network connectivity for online gaming, remote work, streaming and everyday internet usage.

Smart Cooling and Durability

Gigabyte Smart Fan technology helps optimize cooling performance, while Ultra Durable components contribute to long-term system stability and dependable operation.

Key Features

• AMD B550 Chipset
• AM4 Socket
• Supports AMD Ryzen 5000, 4000 G-Series and 3000 Series Processors
• Micro-ATX Form Factor
• Dual-Channel DDR4 Memory Support
• PCIe 4.0 Support
• M.2 NVMe SSD Support
• SATA III 6Gb/s Connectivity
• Gigabit Ethernet LAN
• HDMI and D-Sub Display Outputs
• Smart Fan Cooling Technology
• Gigabyte Ultra Durable Design

Whether you’re building an affordable gaming PC, home workstation or everyday desktop system, the Gigabyte B550M K delivers the performance, connectivity and reliability needed for modern computing on the proven AMD AM4 platform.