Dell EMC PowerEdge XR2 - PSU Specifications; Memory Specifications

PSU specications
The PowerEdge XR2 system supports the following AC power supply units (PSU).
Table 14. PSU specications
PSU Class Heat dissipation
(maximum)
Frequency Voltage
550 W AC Platinum 2891 BTU/hr 50/60 Hz 115–230 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 XR2 system supports CR 2032 3.0-V lithium coin cell system battery.
Expansion bus specications
The PowerEdge XR2 system supports PCI express (PCIe) generation three expansion cards, which must be installed on the system board
using expansion card risers. The XR2 system supports two types of expansion card risers.
Table 15. Expansion card riser
congurations
Expansion card riser PCIe slots on the riser Processor connection Height Length Slot width
Riser 1 Slot 1 Processor 1 Full Height Half Length x16
Riser 2 Slot 1 Processor 1 Low Prole Half Length x16
Slot 2 Processor 2 Low Prole Half Length x16
Memory specications
The PowerEdge XR2 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 16. Memory
specications
Memory module sockets Memory capacity Minimum RAM Maximum RAM
Sixteen 288-pin
• 8 GB, 16 GB, 32 GB (RDIMMs)
or 64 GB DDR4 (LRDIMMs)
single rank, dual rank or quad
rank
• 8 GB with single processor
• 16 GB with dual processors
(minimum one memory module
per processor)
• Up to 320 GB with a single
processor using RDIMM
• Up to 640 GB with a single
processor using LRDIMM
• Up to 512 GB with a dual
processor and RDIMM
• Up to 1024 GB with a dual
processor and LRDIMM
Technical specications 25