Table 50. Expansion card riser configurations(continued)
Configurations Expansion card
risers
PCIe Slots Form factor Controlling
processor
Slot's electrical
bandwidth/
physical
connector
R2A 3 Low profile Processor 1 PCIe Gen4 x16 (x16
connector)
6 Low profile Processor 2 PCIe Gen4 x16 (x16
connector)
R3B 4 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
5 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
R4B 7 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
8 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
Config2. 4 x8 FH
(Gen5) + 2x 8FH + 2
x16 LP
R1Q 1 Full height Processor 1 PCIe Gen5 x8 (x16
connector)
2 Full height Processor 1 PCIe Gen5 x8 (x16
connector)
R2A 3 Low profile Processor 1 PCIe Gen4 x16 (x16
connector)
6 Low profile Processor 2 PCIe Gen4 x16 (x16
connector)
R3B 4 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
5 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
R4Q 7 Full height Processor 2 PCIe Gen5 x8 (x16
connector)
8 Full height Processor 2 PCIe Gen5 x8 (x16
connector)
Config3-1. 2 x16 LP +
2 x8 FH + 2 x16 FH
(Gen5)
R1P 2 Full height Processor 1 PCIe Gen5 x16 (x16
connector)
R2A 3 Low profile Processor 1 PCIe Gen4 x16 (x16
connector)
6 Low profile Processor 2 PCIe Gen4 x16 (x16
connector)
R3B 4 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
5 Full height Processor 2 PCIe Gen4 x8 (x16
connector)
R4P 7 Full height Processor 2 PCIe Gen5 x16 (x16
connector)
Config3-2. 2 x16 LP +
2 x8 FH + 2 x16 DW
(Gen5)
R1P 2 Full height (DW) Processor 1 PCIe Gen5 x16 (x16
connector)
R2A 3 Low profile Processor 1 PCIe Gen4 x16 (x16
connector)
Installing and removing system components 123