HP 503296-B21 460W AC Common Slot (CS) 'Gold' hot plug power supply - Installs in the computer chassis as primary or redundant supply (92% efficiency) - Requires 100-240VAC at 50/60Hz - Multiple power supplies used in the sever must be the same model number
HP Common Slot High Efficiency - Power supply - hot-plug ( plug-in module ) - 80 PLUS Gold - AC 100-