Expansion cards and expansion card riser
An expansion card in the system is an add-on card that can be inserted into an expansion slot on the system board or riser card
to add enhanced functionality to the system through the expansion bus.
NOTE: A System Event Log (SEL) event is logged if an expansion card riser is unsupported or missing. It does not prevent
your system from turning on and no BIOS POST message or F1/F2 pause is displayed.
Expansion card installation guidelines
Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 40. Supported expansion cards
PCIe slot Riser Processor connection Height Length Link width Slot width
1 1 Processor 2 Low Profile Half Length x8 x16
2 1 Processor 2 Low Profile Half Length x8 x16
3 1 Processor 2 Low Profile Half Length x8 x16
4 2 Processor 2 Full Height Full Length x16 x16
5 2 Processor 1 Full Height Full Length x8 x16
6 3 (alternate) Processor 1 Full Height Full Length x16 x16
NOTE: To use PCIe slots 1 through 4 on the risers 1 and 2, both the processors 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 the other expansion cards should be
installed in the card priority and slot priority order.
Table 41. Expansion card installation order
Card priority Card type Slot priority Max allowed
1 PCIe Bridge 4 1
2 RAID H730P (low profile) 3, 2 1
3 RAID H830 6, 4, 5 2
RAID H830 (low profile) 3, 2 2
4
100G Intel Omni-Path Architecture (OPA) Host
Channel Adapters (HCA)
4, 6 2
14 Gb InfiniBand, Fourteen Data Rate (FDR)
HCA
3, 2, 1 3
40 Gb NICs (full height) 4, 6, 5 3
40 Gb NICs (low profile) 3, 2, 1 3
5 FC16 HBA (full height) 4, 6, 5 3
FC16 HBA (low profile) 2, 3, 1 3
6 10 Gb NICs (full height) 4, 6, 5 3
10 Gb NICs (low profile) 2, 3, 1 3
7 FC8 HBA (full height) 4, 6, 5 3
FC8 HBA (low profile) 2, 3, 1 3
116 Installing and removing system components
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