This publication provides detailed information on the serial presence detect (SPD) values for DDR5 memory modules as per JEDEC JESD400-5 standards. The SPD data included in the document is designed to assist system's BIOS during the initialization and optimization of memory channels. It is a critical piece of information for both traditional Dual In-line Memory Modules (DIMMs) and solder-down motherboard applications. The content covers all aspects of SPD data and storage capacity of the SPD non-volatile memory.