Design standards typically recommend installing one spare unit for every four units a data center needs to support full operational capacity. As AI workloads, higher rack densities, and stricter energy regulations increase demand on power infrastructure, design teams need more than standard capacity. Designing an efficient electrical distribution system and power supply for a data center isn't just about delivering electricity—it's about achieving high reliability, handling high power densities, minimising power outages, and optimising for energy performance (e., low power usage effectiveness. When deciding how many power distribution units (PDUs) can be installed in a server rack, several important factors must be considered. These factors will help determine the optimal number of PDUs required to meet the power demands of the equipment housed within the rack. The first factor to. rence design for data centers (Reference Design) will be available free of charge.
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