The GIGABYTE B550 EAGLE is an ATX motherboard for desktop systems using AMD Socket AM4 processors. Its AMD B550 chipset supports the stated Ryzen 3000 and 4000/5000 series, including G-Series models.
Measuring 30.5 × 24.4 cm, the board has four DDR4 DIMM slots for up to 128 GB of system memory in dual-channel mode. Supported memory settings depend on the processor and module configuration, so check these when planning a build.
For add-in cards and storage, it provides one CPU-connected PCI Express x16 slot, four PCI Express x1 slots, two M.2 connectors and four SATA 6 Gb/s connectors. The x16 slot uses PCIe 4.0 with Ryzen 5000/3000 processors, or PCIe 3.0 with Ryzen 5000 G/4000 G/3000 G processors.
Rear connections include HDMI, USB Type-C with USB 3.2 Gen 1 support, RJ-45 and three audio jacks. HDMI video output depends on the installed processor. These connections and expansion slots provide options for an AM4 desktop build with M.2 or SATA storage.