Infineon unveils 27 kW PSU for next-gen AI server racks

Infineon has introduced a 27 kW three-phase power supply reference design for next-generation AI servers. It exceeds 98% peak efficiency at 480 VAC and 50% load, reaches 116 W/in³ power density, and includes a 20 ms energy buffer. The design targets 800 VDC and ±400 VDC architectures and the Open Rack V3 spec.

• Peak efficiency above 98% at 480 VAC and 50% load
• Power density of 116 W/in³ vs the 94 W/in³ Open Rack V3 minimum
• Integrated energy buffer provides 20 ms hold-up time
• Three-phase input range of 311–528 VAC, power factor above 0.99