Dual NVMe PCIe 4.0*/3.0 M.2 Connectors: GIGABYTE Motherboards offer NVMe PCIe 4.0*/3.0 x4 and PCIe...Dual NVMe PCIe 4.0*/3.0 M.2 Connectors: GIGABYTE Motherboards offer NVMe PCIe 4.0*/3.0 x4 and PCIe 3.0 x2 M.2 connectors for fast SSD storage, supporting up to 64 Gb/s data transfer speeds and RAID modes. GbE LAN with Bandwidth Management: Features a network bandwidth management application to reduce network latency and maintain low ping times for better responsiveness in crowded LAN environments. Industry's Leading LAN Static-Electricity & Surge Protection: GIGABYTE motherboards utilize ICs with up to 3 times the ESD resistance of traditional ICs, protecting against static electricity damage. Special anti-surge ICs safeguard the motherboard and PC from power delivery surges. High-End Audio Capacitors: Equipped with high-end audio capacitors for high-resolution, high-fidelity audio, delivering realistic sound effects for gamers. Audio Noise Guard: Separates sensitive analog audio components from potential noise pollution at the PCB level for cleaner audio.
Gigabyte B550M K Motherboard - Supports AMD Ryzen 5000 Series AM4 CPUs, up to 4733MHz DDR4 (OC), 2xPCIe 3.0 M.2, GbE LAN, USB 3.2 Gen1Free delivery in 1–3 days£71.99Visit shop →
Gigabyte B550M DS3H R2 Motherboard - AMD Ryzen 5000 CPUs, 5+3 Phases VRM, up to 4733MHz DDR4 (O.C.), 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 1GbE LAN, USB 3.2 Gen 1Free delivery in 1–3 days£79.99Visit shop →
Gigabyte B550M DS3H R2 Motherboard - AMD Ryzen 5000 CPUs, 5+3 Phases VRM, up to 4733MHz DDR4 (O.C.), 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 1GbE LAN, USB 3.2 Gen 1Free delivery in 1–3 days£79.99Visit shop →
Gigabyte B550 Gaming X V2 Motherboard - Supports AMD Ryzen 5000 Series AM4 CPUs, 10+3 Phases Digital Twin Power Design, up to 4733MHz DDR4 (OC), 2xPCIe 3.0 M.2, GbE LAN, USB 3.2 Gen1Free delivery in 1–3 days£86.99Visit shop →
Gigabyte B550 Gaming X V2 Motherboard - Supports AMD Ryzen 5000 Series AM4 CPUs, 10+3 Phases Digital Twin Power Design, up to 4733MHz DDR4 (OC), 2xPCIe 3.0 M.2, GbE LAN, USB 3.2 Gen1Free delivery in 1–3 days£86.99Visit shop →
Gigabyte B550M DS3H AC R2 Motherboard - AMD Ryzen 5000 CPUs, 5+3 Phases VRM, up to 4733MHz DDR4 (O.C.), 1xPCIe 4.0 + 1xPCIe 3.0 M.2, Wi-Fi 5, 1GbE LAN, USB 3.2 Gen 1Free delivery in 1–3 days£88.96Visit shop →
Gigabyte B550M DS3H AC R2 Motherboard - AMD Ryzen 5000 CPUs, 5+3 Phases VRM, up to 4733MHz DDR4 (O.C.), 1xPCIe 4.0 + 1xPCIe 3.0 M.2, Wi-Fi 5, 1GbE LAN, USB 3.2 Gen 1Free delivery in 1–3 days£88.96Visit shop →
Gigabyte B550 EAGLE WIFI6 Motherboard - AMD Ryzen 5000 G-Series CPUs, 10+3+1 Phases VRM, up to 3200MHz DDR4, 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 1GbE LAN, WIFI 6, USB 3.2 Gen 2Free delivery in 1–3 days£93.99Visit shop →
Gigabyte B550 EAGLE WIFI6 Motherboard - AMD Ryzen 5000 G-Series CPUs, 10+3+1 Phases VRM, up to 3200MHz DDR4, 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 1GbE LAN, WIFI 6, USB 3.2 Gen 2Free delivery in 1–3 days£93.99Visit shop →
This guide is for anyone building or upgrading a PC using the GIGABYTE B550M K motherboard. It offers a solid foundation for AMD Ryzen 3000, 4000, and 5000 series processors, providing fast storage options and reliable performance. Keep in mind that while it supports high-speed memory, the specific speeds achieved depend on your CPU and RAM configuration.
All features
Model Part Number
B550M K
Brand
Gigabyte
Extended Product Information
FAQs
What kind of CPU does this motherboard support?
It supports AMD Ryzen 3000, 4000, and 5000 series processors (Socket AM4).
How much RAM can this motherboard handle?
It supports up to 128GB of DDR4 RAM.
Does this motherboard have built-in Wi-Fi?
No, this motherboard does not have built-in Wi-Fi.
How many M.2 slots are available?
It has two M.2 slots, one PCIe 4.0 x4 and one PCIe 3.0 x2.
What is the form factor of this motherboard?
It is a Micro ATX form factor.
What kind of storage drives can I use?
You can use M.2 SSDs and SATA drives.
What operating systems are supported?
It supports Windows 10 x64 and Windows 11 x64.
Troubleshooting
Computer won't boot.
Check all power connections, ensure the CPU and RAM are properly installed. Try booting with one RAM stick at a time. Update the BIOS if necessary.
No display.
Ensure the graphics card is properly seated. Check the monitor cable connection. Try connecting to a different display output.
Network connectivity issues.
Check the Ethernet cable connection. Install the latest LAN drivers.
Slow performance.
Ensure the latest drivers are installed. Check for any background processes that may be consuming resources.
Pros and Cons
Pros
Supports a wide range of AMD Ryzen CPUs.
Provides fast storage options with dual M.2 slots.
Offers Gigabit Ethernet for reliable network connectivity.
Delivers high-quality audio with dedicated components.
Features a compact Micro ATX form factor for flexible builds.
Cons
May require a BIOS update for some older Ryzen CPUs.
Limited number of fan headers for extensive cooling setups.
Only one PCIe 4.0 M.2 slot may be a limitation for some users.
No integrated Wi-Fi.
Setup, Compatibility & Care
Installation:
Install the CPU and RAM according to the motherboard manual.
Mount the motherboard inside the PC case.
Connect the power supply cables.
Install the graphics card and other expansion cards.
Connect the storage devices.
Compatibility:
CPU: Compatible with AMD Ryzen 3000, 4000, and 5000 series processors (Socket AM4).
RAM: Supports DDR4 memory up to 128GB. Check the motherboard manual for supported speeds.
Storage: Supports M.2 SSDs and SATA drives.
Operating System: Compatible with Windows 10 x64 and Windows 11 x64.
Care:
Handle the motherboard with care to avoid electrostatic discharge (ESD).
Clean the motherboard with a soft, dry brush.
Avoid exposing it to extreme temperatures or humidity.
Regularly check and clean the PC case to prevent dust buildup.
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