PSU specifications
The PowerEdge XR2 system supports the following AC power supply units (PSU).
Table 14. PSU specifications
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 specifications
The PowerEdge XR2 system supports CR 2032 3.0-V lithium coin cell system battery.
Expansion bus specifications
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 configurations
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 Profile
Half Length
x16
Slot 2
Processor 2
Low Profile
Half Length
x16
Memory specifications
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 specifications
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 specifications
25