Dell EMC PowerEdge R540 - Processor Specifications; PSU Specifications; System Battery Specifications; Expansion Bus Specifications

Processor specications
The PowerEdge R540 system supports up to two Intel Xeon Processor Scalable Family processors.
PSU specications
The PowerEdge R540 system supports the following AC or DC power supply units (PSU).
Table 16. PSU specications
PSU Class Heat dissipation
(maximum)
Frequency Voltage
1100 W AC Platinum 4100 BTU/hr 50/60 Hz 100–240 V AC, autoranging
1100 W DC Platinum 4416 BTU/hr 50/60 Hz 200–380 V DC, autoranging
750 W AC Platinum 2891 BTU/hr 50/60 Hz 100–240 V AC, autoranging
750 W DC Platinum 2902 BTU/hr 50/60 Hz 240 V DC
495 W AC Platinum 1908 BTU/hr 50/60 Hz 100–240 V AC, autoranging
450 W AC Bronze 1871 BTU/hr 50/60 Hz 100–240 V AC, autoranging
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 230 V.
System battery specications
The PowerEdge R540 system supports CR 2032 3.0-V lithium coin cell system battery.
Expansion bus specications
The PowerEdge R540 system supports PCI express (PCIe) generation six expansion cards, which need to be installed on the system board
using expansion card risers. The R540 system supports three types of expansion card risers.
Memory specications
The PowerEdge R540 system supports 16 DDR4 registered DIMM (RDIMMs) slots. Supported memory bus frequencies are 2666 MT/s,
2400 MT/s, 2133 MT/s, and 1866 MT/s.
Table 17. Memory
specications
Memory module sockets Memory capacity Minimum RAM Maximum RAM
Sixteen 288-pin
• 8 GB, 16 GB, or 32 GB single
rank or dual rank (RDIMMs)
• 4 GB with single processor
• 8 GB with dual processors
(minimum one memory module
per processor)
• Up to 256 GB with a single
processor
• Up to 384 GB with a dual
processor
28 Technical specications