ASRock AMD B550 ATX 4 DIMM DDR5 Motherboard is design features the latest SPS (Smart Power Stage) technology. Its optimized for monitoring current and temperature of each phase, thus delivering smoother and neater power to the CPU with enhanced performance and OC capability. Featuring sturdy components and completely smooth power delivery to the CPU, offering enhanced performance for gamers. The 8 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency, ensures a reliable and long-lasting system while delivering ultimate performance. Supports AMD Ryzen 7000 Series Processors. 14+2+1 Phase Power Design, SPS. 4 x DDR5 DIMMs, supports up to 6400+(OC). 1 PCIe 4.0 x16, 1 PCIe 3.0 x16. 1 PCIe 4.0 x1, 1 M.2 Key-E for WiFi. Graphics Output Options: 1 HDMI, 1 DisplayPort. 7.1 CH HD Audio (Realtek ALC897 Audio Codec), Nahimic Audio. 1 Blazing M.2 (PCIe Gen5x4), 1 Hyper M.2 (PCIe Gen4x4), 1 M.2 (PCIe Gen3x2 & SATA3), 4 SATA3, 1 USB 3.2 Gen2x2 Type-C (Front), 2 USB 3.2 Gen2 Type A+C (Rear), 4 USB 3.2 Gen1 (2 Rear, 2 Front), 9 USB 2.0 (6 Rear, 3 Front), Realtek 2.5G LAN.