The IBM System x3630 M4 is a 2U server designed for cost-effective, high-capacity storage and efficient energy use, supporting up to two Intel Xeon processors and offering up to 42 TB of internal storage. It features robust systems management capabilities, flexible configuration options, and energy-efficient components, making it suitable for applications such as virtualization and web serving. The server includes integrated management tools and redundancy features to enhance performance, scalability, and reliability, backed by IBM's service and support.