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Dell PowerEdge R730 Owner's Manual

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Expansion card installation guidelines

Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 1. Supported expansion cardsItem 1 is the PCIe slot 1, on Riser 1 and is connected to Processor 2, it supports a low profile, half length 8x card. The slot width is 16x. Item 2 is the PCIe slot 2, on Riser 1 and is connected to Processor 2, it supports a low profile, half length 8x card. Item 3 is the PCIe slot 3, on Riser 1 and is connected to Processor 2, it supports a low profile, half length 8x card. The slot width is 16x. Item 4 is the PCIe slot 4, on Riser 2 and is connected to Processor 2, it supports a full height, full length 16x card. The slot width is 16x. Item 5 is the PCIe slot 5, on Riser 2 and is connected to Processor 1, it supports a full height, full length 8x card. The slot width is 16x. Item 6 is the PCIe slot 6, on Riser 3 and is connected to Processor 1, it supports a full height, full length 16x card. The slot width is 16x (alternate).
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 (default) Processor 1 Full Height Full Length x8 x16
6 3 (alternate) Processor 1 Full Height Full Length x16 x16
7 3 (default) Processor 1 Full Height Full Length x8 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 2. Expansion card installation order The table describes the slot priority for expansion card installation.
Card priority Card type Slot priority Max allowed
1 GPU (double width) 6, 4 2
GPU (single width) 6, 4, 7, 5 4
2 RAID H830 7, 6, 4, 5 2
RAID H830 (low profile) 3, 2 2
3 100G Intel Omni-Path Architecture Host (OPA) Channel Adapters (HCA) 4, 6 2
14 Gb InfiniBand, Fourteen Data Rate (FDR) HCA 3, 2, 1 3
40 Gb NICs (full height) 5, 7, 4, 6 4
40 Gb NICs (low profile) 3, 2, 1 3
25 Gb NICs (full height) 4, 6, 5 3
25 Gb NICs (low profile) 3, 2, 1 3
4 FC16 HBA (full height) 5, 7, 4, 6 4
FC16 HBA (low profile) 2, 3, 1 3
5 10 Gb NICs (full height) 5, 7, 4, 6 4
10 Gb NICs (low profile) 2, 3, 1 3
6 FC8 HBA (full height) 5, 7, 4, 6 4
FC8 HBA (low profile) 2, 3, 1 3
7 1 Gb NICs (full height) 5, 7, 4, 6 4
1 Gb NICs (low profile) 2, 3, 1 3
8 12 Gb SAS (low profile) 3, 2, 1 2
12 Gb SAS (full height) 6, 4, 5, 7 2
9 Integrated RAID integrated slot 1
10 NDC integrated slot 1
NOTE: Ensure that the 100 G OPA x16 card is installed in slot 6 (x16 PCIe) on the alternate riser 3.

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