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Expansion Cards And Expansion-Card Risers
NOTE: A missing or an unsupported expansion-card riser logs an SEL event. It does not prevent your system from
powering on and no BIOS POST message or F1/F2 pause is displayed.
Expansion Cards Installation Guidelines
The following PCI Express Generation 3 expansion cards are supported.
Riser PCIe Slot Processor Connection Height Length Link Width Slot Width
1 1 Processor 2 Full Height Half Length x16 x16
1 2 Processor 2 Full Height Half Length x8 x16
2 3 Processor 1 Low Profile Half Length x8 x16
2 4 Processor 2 Low Profile Half Length x8 x16
2 5 Processor 2 Low Profile Half Length x8 x16
3 6 Processor 1 Full Height Half Length x16 x16
3 7 Processor 1 Full Height Half Length x8 x8
NOTE: To use the PCIe slots 1 ,2, 4, and 5 on the risers, processors 1 and 2 must be installed.
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.
Card Priority Card Type Form Factor Slot Priority Max Allowed
1 Internal Storage (Integrated Slot) Full Height 7, 2 2
PCIE Extender Adapter (SSD) Full Height 1 1
2 GPU Full Height 1, 6 2
3 External SAS Controllers Full Height 7, 2, 1, 6 2
Low Profile 3, 4, 5 3
4 Fibre Channel 16 Gb Full Height 6, 2, 1 3
Low Profile 3, 4, 5 3
5 Converged Network Adapters Full Height 6, 2, 1 3
Low Profile 3, 4, 5 2
6 40 Gb InfiniBand Full Height 6, 2, 1 3
Low Profile 3, 4, 5 2
7 10 Gb Ethernet Controllers Full Height 6, 2, 1 3
Low Profile 3, 4 2
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