Table 3. Supported Expansion Cards
Riser PCIe Slot Processor Connection Height Length Link Width Slot Width
1 1 Processor 2 Low Profile Half Length x8 x16
1 2 Processor 2 Low Profile Half Length x8 x16
1 3 Processor 2 Low Profile Half Length x8 x16
2 4 Processor 2 Standard Height Full Length x16 x16
2 5 Processor 1 Standard Height Full Length x8 x16
3 (default) 6 Processor 1 Standard Height Full Length x8 x16
3 (default) 7 Processor 1 Standard Height Full Length x8 x16
3 (alternate) 6 Processor 1 Standard Height Full Length x16 x16
NOTE: To use PCIe slots 1 through 4 on the riser, both the processors must be installed.
NOTE: PowerEdge R720xd does not support riser 3 (default).
NOTE: The expansion-card slots are not hot-swappable.
The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The
expansion cards with the highest priority should be installed first using the slot priority indicated. All other expansion
cards should be installed in card priority and slot priority order.
Table 4. Expansion Card Installation Order
Card
Priority
Card Type Slot Priority—PowerEdge R720 Slot Priority—PowerEdge
R720xd
Max Allowed
2–Processor 1–Processor 2–Processor 1–Processor R720 R720xd
1 Dell PowerEdge
Express Flash
(PCIe SSD)
Bridge
4 Not Supported Not
Supported
Not Supported 1 0
2 GPU (double
wide)
6, 4 Not Supported Not
Supported
Not Supported 2 0
GPU (single
wide)
4, 6, 7, 5 Not Supported Not
Supported
Not Supported 4 0
3 GPU Host
Interface Card
(HIC)
4, 6 6 Not
Supported
Not Supported 2 0
4 RAID H810 7, 6, 4, 5 7, 6, 5 6, 4, 5 6, 5 4 3
RAID H710P 2 Not Supported Not
Supported
Not Supported 1 0
5 FC16 HBA Full
Height,FH
5, 7, 4, 6 5, 7, 6 4, 6, 5 6, 5 4 3
Low Profile,LP 2, 3, 1 Not Supported 2, 3, 1 Not Supported 3 3
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