Processor specificationsThe PowerEdge R740 system supports up to two Intel Xeon Processor Scalable Family processors.PSU specificationsThe PowerEdge R740 system supports up to two AC or DC power supply units (PSUs).Table 17. PSU specificationsPSU Class Heat dissipation(maximum) Frequency Voltage Current495 W AC Platinum 1908 BTU/hr 50/60 Hz 100–240 V AC, autoranging 6.5 A–3 A750 W AC Platinum 2891 BTU/hr 50/60 Hz 100–240 V AC, autoranging 10 A–5 A750 W AC Titanium 2843 BTU/hr 50/60 Hz 200–240 V AC, autoranging 5 A750 W MixedMode HVDC (forChina only)Platinum 2891 BTU/hr 50/60 Hz 100–240 V AC, autoranging 10 A–5 AN/A 2891 BTU/hr N/A 240 V DC, autoranging 4.5 A1100 W AC Platinum 4100 BTU/hr 50/60 Hz 100–240 V AC, autoranging 12 A–6.5 A1100 W DC N/A 4416 BTU/hr N/A –(48–60) V DC, autoranging 32 A1100 W MixedMode HVDC (forChina and Japanonly)Platinum 4100 BTU/hr 50/60 Hz 100–240 V AC, autoranging 12 A–6.5 AN/A 4100 BTU/hr N/A 200–380 V DC, autoranging 6.4 A–3.2 A1600 W AC Platinum 6000 BTU/hr 50/60 Hz 100–240 V AC, autoranging 10 A2000 W AC Platinum 7500 BTU/hr 50/60 Hz 100–240 V AC, autoranging 11.5 ANOTE: 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: If a system with 2000 W AC PSU operates at low line 100–120 V AC, then the power rating per PSU is derated to 1000 W.NOTE: If a system with 1600 W AC PSU operates at low line 100–120 V AC, then the power rating per PSU is derated to 800 W.NOTE: If system with 1100 W AC PSU or 1100 W Mixed Mode HVDC PSU operates at low line 100–120 V AC, then the powerrating per PSU is derated to 1050 W.System battery specificationsThe PowerEdge R740 system supports CR 2032 3.0-V lithium coin cell system battery.Expansion bus specificationsThe PowerEdge R740 system supports up to eight PCI express (PCIe) generation 3 expansion cards that can be installed on the systemboard using expansion card risers. The following table provides detailed information about the expansion card riser specifications:28 Dell EMC PowerEdge R740 Installation and Service ManualTechnical specifications