The Gigabyte B550M K WIFI6E is a Micro ATX motherboard for desktop systems using AMD’s AM4 platform. Its AMD B550 chipset supports the listed Ryzen 3000, 4000 G-Series, 5000 and 5000 G-Series processor families.
Four DDR4 DIMM slots support up to 128 GB of system memory. For storage, there are two M.2 connectors for 2280 SSDs and four SATA 6 Gb/s connectors. The CPU-connected M.2 slot supports PCIe 4.0 with listed Ryzen 3000 and 5000 processors without the G suffix; the chipset-connected slot supports PCIe 3.0 x2.
MediaTek Wi-Fi 6E supports 2.4, 5 and 6 GHz bands, alongside Gigabit Ethernet and Bluetooth 5.3. Rear DisplayPort and HDMI outputs are available, with graphics support depending on the processor. Measuring 24.4 × 24.4 cm, the board also has PCI Express x16 and x1 slots for desktop components.