Dell EMC PowerEdge XR2 Technical Specifications

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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 1. PCIe expansion card riser configurations The following table provides detailed information about the expansion card riser configuration:
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
Right riser	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