The ASRock B550M PHANTOM GAMING 4 is a Micro-ATX motherboard designed for AMD AM4 socket processors, including the Ryzen 3000 and 5000 series. It utilizes an 8 power phase Digi Power design to ensure stable energy delivery to your CPU, while four DDR4 DIMM slots allow you to install up to 128GB of memory with overclocking speeds reaching 4733MHz. For high-speed storage, it features a Hyper M.2 socket supporting PCIe Gen4x4 for fast data transfer and an additional M.2 slot for SATA3 or PCIe Gen3 x2 drives. You can connect your graphics card via the primary PCIe Gen4x16 slot, with support for AMD Quad CrossFireX if you need multiple GPUs. The board provides versatile connectivity through a HDMI 2.1 port capable of 4K resolution and a DisplayPort 1.4 that handles up to 5K at 120Hz. With eight USB 3.2 Gen1 ports and Realtek Gigabit LAN, this motherboard is well-suited for gamers and creators building a compact yet powerful workstation.