Dell Technologies PowerEdge T640 Installation and Service Manual

Expansion card installation guidelines

The following table describes the supported expansion cards:

Table 1. Supported PCI express generation 3 expansion cardsThis table Supported PCI express generation 3 expansion cards.
PCIe Slot	Processor Connection	Height	Length	Link Width	Slot Width
0 (Gen3)(dedicated for PERC or HBA)	Processor 1	-	Half Length	x8	x8
1 (Gen3)	Processor 1	Standard Height	Full Length	x16	x16
2 (Gen3)	Processor 1	Standard Height	Full Length	x4	x8
3 (Gen3)	Processor 1	Standard Height	Full Length	x16	x16
4 (Gen3)	Processor 2	Standard Height	Half Length	x8	x8
5 (Gen3)	Processor 2	Standard Height	Full Length	x4	x8
6 (Gen3)	Processor 2	Standard Height	Full Length	x16	x16
7 (Gen3)	Processor 2	Standard Height	Full Length	x8	x8
8 (Gen3)	Processor 2	Standard Height	Full Length	x16	x16

NOTE: To use PCIe slots 4-8, both the processors must be installed.

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