Installing the expansion card holderPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damagedue to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that areshipped with your product.1 Follow the safety guidelines listed in Safety instructions.2 Follow the procedure listed in Before working inside your system.StepAlign the expansion card holder with the projections on the chassis and push it down until firmly seated.Figure 57. Installing the expansion card holderNext steps1 Follow the procedure listed in After working inside your system.2 Install the air shroud.Expansion cardsExpansion card installation guidelinesThe following table describes the supported expansion cards:Table 34. Supported PCI express generation 3 expansion cardsPCIe Slot Processor Connection Height Length Link Width Slot Width1 (Gen3) Platform Controller Hub Full Height Half Length x4 x42 (Gen3) Processor 1 Full Height Half Length x4 x43 (Gen3) Processor 2 Full Height Full Length x16 x16108 Installation and Service ManualInstalling and removing system components