The ASRock B550 Phantom Gaming 4 is a Micro ATX motherboard designed for AMD Ryzen desktop processors using the AM4 socket. Built around the AMD B550 chipset, it provides a strong foundation for gaming PCs, home systems and performance-focused desktop builds.
The motherboard supports dual-channel DDR4 memory across four DIMM slots, with total memory capacity of up to 128GB. Compatible memory can operate at speeds up to DDR4 4733+ through overclocking, with support for AMD Ryzen processor generations across the supported 3000, 4000 and 5000 series families.
For storage, the motherboard provides four SATA 6Gb/s connectors alongside M.2 storage support. Its PCIe expansion configuration includes a PCIe 4.0 x16 slot, a secondary PCIe 3.0 x16 slot and two PCIe 3.0 x1 slots for graphics cards and other compatible expansion hardware.
Connectivity includes Gigabit Ethernet, multiple USB ports, HDMI and DisplayPort outputs. The motherboard also provides an M.2 Key E slot for adding a compatible WiFi and Bluetooth module.
The B550 Phantom Gaming 4 features 7.1-channel HD audio using a Realtek ALC887/897 audio codec with Nahimic Audio support. Its 8-phase power design and premium 50A power chokes provide stable power delivery for compatible AMD processors.