Owners Manual
Expansion card and riser
An expansion card in the server is an add-on card that can be inserted into an expansion slot on the server 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 conguration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 41. Expansion card guidelines
Slot Expansion card type Riser Processor
connection
Link width Slot width
1 DCS Mezz Card DCS Mezz Riser Processor 1 x8 x8
Mini PERC Card Mini PERC Riser
OCP Mezz Card Transfer Board+Bridge Board
x8 PCIe/SATA M.2 Card x8 PCIe/SATA M.2 Riser
3 OCP Mezz Card NA Processor 1 x8 x8
4 PCIe RAID, PCIe NIC PCIe Riser Processor 1 x16 x16
5 x16 PCIe/SATA M.2 Card, NVMe
Card
3M Cable Riser Processor 2 x16 x16
6 NPIO, PCIe RAID NPIO Cable Rear Riser Processor 2 x16 x16
NOTE: To use an expansion card on slots 5 and 6, processor 2 must be installed.
NOTE: Expansion card are not hot-swappable.
Removing expansion card from slot 1
CAUTION
: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
1 Follow the safety guidelines listed in the Safety instructions section.
2 Follow the procedure listed in the Before working inside your system section.
NOTE
: To ensure proper system cooling, the riser blank must be installed in the appropriate riser slot. Remove the riser blank
only if you are installing a riser.
Installing and removing server components 71