The 90-MXBEG0-A0UAYZ represents ASRock's B450M Pro4 R2.0 Motherboard, a testament to the brand's commitment to offering affordable yet powerful motherboards. This model is specifically designed for budget-conscious gamers and PC builders, providing a solid foundation without the premium price tag. Built on the AMD B450 chipset, it supports AMD Ryzen series processors up to the 3rd generation, making it an ideal choice for those looking to harness the power of AMD's multi-core CPUs for gaming or work. The Micro ATX form factor ensures compatibility with a wide range of cases, including smaller builds. It features dual M.2 slots for SSDs, one of which supports the PCIe 3.0 x4 interface for rapid data access speeds. The motherboard also boasts a comprehensive suite of connectivity options, including USB 3.2 Gen2 ports, HDMI, and D-Sub outputs for versatile display compatibility. With four DIMM slots, it supports up to 128GB of DDR4 RAM, facilitating smooth multitasking and quick application loading. The B450M Pro4 R2.0 incorporates premium components and a robust power design, ensuring reliability and longevity for users seeking an optimal balance between price and performance.