Reference Guide

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 four expansion cards, which must be installed on the system board
using expansion card risers. The XR2 system supports four types of expansion card risers.
Table 4. PCIe expansion card riser configurations
Expansion card riser PCIe slots on the
riser
Height Length Link
LOM riser Slot 1 Unique to Dell Unique to Dell x8
Right riser
Slot 2 Low Profile Half Length x16
Slot 2 Full Height Half Length x16
Internal riser Slot-integrated Platform specific Platform specific x8
Left riser Slot 3 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 5. Memory specifications
DIMM
type
DIMM rank
DIMM
capacity
Single processor Dual processors
Minimum RAM Maximum RAM Minimum RAM Maximum RAM
RDIMM Single rank 8 GB 8 GB 80 GB 16 GB 128 GB
RDIMM Dual rank 16 GB 16 GB 160 GB 32 GB 256 GB
RDIMM Dual rank 32 GB 32 GB 320 GB 64 GB 512 GB
LRDIMM Quad rank 64 GB 64 GB 640 GB 128 GB 1024 GB
LRDIMM Quad rank 128 GB 128 GB 1024 GB 256 GB 2048 GB
Storage controller specifications
The Dell EMC PowerEdge XR2 system supports:
• Internal controllers: PowerEdge Expandable RAID Controller (PERC) H330, H730P, HBA330
• Boot Optimized Storage Subsystem (BOSS): HWRAID 2 x M.2 SSDs 480 GB with 6 Gbps
○ x8 connector using PCIe gen 2.0 x2 lanes, available only in the low-profile and half-height form factor
• On board controller: Software RAID (SWRAID) S140
Drive specifications
Drives
The PowerEdge XR2 system supports:
• Up to 8 x 2.5-inch drives with drive adapter, internal, hot swappable SAS, SATA SSDs
• Up to 4 x 2.5-inch drives with drive adapter, internal, hot swappable NVMe drives
PowerEdge XR2 technical specifications
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