The ASRock Rack C3558D4I - 4L Server Motherboard features an Intel chipset and supports Atom processors, making it ideal for various server applications. With a maximum RAM capacity of 128 GB DDR4 SDRAM, it offers flexibility in memory configurations with support for DIMM, UDIMM, and RDIMM memory types across four memory slots. The motherboard includes 3 SATA3 6.0Gbps ports and 2 SATA DOM connections, ensuring ample storage options. Additionally, it is equipped with 5 RJ - 45 network ports for robust connectivity and 1 PCIe 3.0 x8 slot for expansion capabilities. Its compact Mini ITX form factor makes it suitable for space - constrained environments, while the onboard AST2500 graphics controller provides essential video output capabilities.