R740 system supports up to two AC or DC power supply units (PSUs).
The table below are the specifications for 495 W, 750 W, 1100 W, 1600 W, 2000 W and 2400 W power supplies:
NOTE: : Heat dissipation is calculated using the PSU wattage rating.
NOTE: : This system is also designed to connect to the IT power systems with a phase to phase voltage not exceeding 240 V.
NOTE: : PSUs rated for 1100 W Mixed Mode HVDC or 1100 W AC and higher require high-line voltage (200–240 V AC) to supply their rated capacity.