The Gigabyte motherboard with the B550 chipset for the AM4 socket is a great choice for modern Ryzen builds. It offers PCIe 4.0 x16, two M.2 connectors (PCIe 4.0/3.0), GbE LAN, DisplayPort and HDMI display outputs, and smart cooling Smart Fan 5 with Fan Stop for quiet and stable operation.
Gigabyte B550M K is a durable microATX board built on the AMD B550 platform, designed for high performance and long-term reliability. Thanks to digital VRM power delivery and quality protection features (including Anti-Sulfur and overvoltage protection), it is suitable for gaming and workstation PCs where stability matters.
For fast storage, it offers two M.2 slots with NVMe support (including PCIe 4.0 depending on the CPU used) and configuration options such as RAID. Network connectivity is provided by GbE LAN with bandwidth management for low latency and better responsiveness on congested networks. Multimedia features are complemented by HDMI and DisplayPort for connecting monitors (availability of the outputs depends on a processor with integrated graphics).
Main advantages:
- Support for AMD Ryzen 5000 / 5000 G / 4000 G / 3000 / 3000 G processors
- 4× DDR4 (dual-channel), support for ECC / non-ECC Unbuffered
- PCIe 4.0 Ready x16 slot for a graphics card
- 2× M.2 for NVMe SSDs (PCIe 4.0/3.0 depending on configuration)
- Smart Fan 5 with multiple temperature sensors and Fan Stop for quiet operation
- Quality audio solution: audio capacitors and Audio Noise Guard
- Durability and protections: LAN ESD protection, overvoltage protection, Anti-Sulfur, moisture-resistant PCB
Specifications
- Brand
- Gigabyte
- Chipset
- AMD B550
- Socket
- AM4
- Form factor
- microATX (mATX)
- Supported processors
- AMD Ryzen 5000 / 5000 G / 4000 G / 3000 / 3000 G
- Memory
- DDR4, dual-channel
- Number of memory slots
- 4× DIMM
- ECC support
- ECC / non-ECC Unbuffered
- PCIe x16
- PCIe 4.0 Ready x16
- M.2
- 2× M.2 (NVMe; PCIe 4.0/3.0 depending on CPU and configuration)
- LAN
- GbE (1 Gb/s) with bandwidth control
- Video outputs
- DisplayPort, HDMI
- HDMI
- HDMI 2.1 (backward compatible with HDMI 2.0/1.4), supports 4K/60, 21:9, HDR, HDCP 2.3
- Cooling
- Smart Fan 5, hybrid fan headers (PWM and DC), Fan Stop function, multiple temperature sensors
- Audio
- High-quality audio capacitors, Audio Noise Guard
- CPU power
- ATX 12V 8-pin (Solid Pin)
- Protections and durability
- LAN ESD protection, overvoltage protection, Anti-Sulfur (durable resistors), PCB with Glass Fabric technology resistant to moisture, low RDS(on) MOSFET
- Software
- APP Center, EasyTune, @BIOS, System Information Viewer
