Dell Precision Rack 7910 Owner's Manual

Expansion card installation guidelines

Depending on your system configuration:

The following PCI Express generation 3 Expansion Card Risers are supported :

Table 1. Supported expansion cardsThis section explains you expansion card risers
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	Full Height	Full Length	x16	x16
2	5	Processor 1	Full Height	Full Length	x8	x16
3 (default)	6	Processor 1	Full Height	Full Length	x8	x16
3 (alternate)	6	Processor 1	Full Height	Full Length	x16	x16
3 (default)	7	Processor 1	Full Height	Full Length	x8	x16

NOTE:To use PCIe slots 1 through 4 on the riser, both the processors must be installed.

NOTE:The expansion-card slots are not hot-swappable.