R386A
                    Expansion module with 4 SFP+ 10 GbE ports, Intel XL710-BM1 w/o re-driver
                 
                
                            
                
                    R387A
                    Expansion module with 2 QSFP+ 40 GbE ports, Intel XL710-BM2 w/o re-driver
                 
                
                            
                
                    R405A
                    Expansion module with 4 SFP GbE ports, Intel I350-AM4
                 
                
                            
                
                    R406A
                    Expansion module with 4 RJ45 GbE ports, two pairs Gen3 bypass, Intel I350-AM4
                 
                
                            
                
                    R445A
                    Expansion module with 2 SFP+ 10 GbE ports, Intel 82599ES w/o re-driver
                 
                
                            
                
                    R445B
                    Expansion module with 2 SFP+ 10 GbE ports, Intel X710-BM2 w/o re-driver
                 
                
                            
                
                    R471D
                    Expansion module with 8 RJ45 GbE ports, four pairs Gen 3 bypass, Intel I350-AM4, with PCIe switch IDT89HPES16T4AG2
                 
                
                            
                
                    R472B
                    Expansion module with 8 SFP GbE ports, Intel I350-AM4, with PCIe switch IDT89HPES16T4AG2
                 
                
                            
                
                    R479A
                    Expansion module with 4 SFP+ 10G ports, Intel 82599ES with PCIe Switch PLX PEX8642
                 
                
                            
                
                    R498A
                    Expansion module with 4 x SFP ports and 4 x RJ45 GbE ports, two pairs G3 bypass, Intel i350-AM4 & IDT89HPES16T4AG2 Switch
                 
                
                            
                
                    R514A
                    Expansion module with 4 SFP GbE ports, two pair Gen3 bypass, Intel i350-AM4
                 
                
                            
                
                    R516A
                    Expansion module with 2 SFP+ 10GbE ports, one pair Gen3 bypass, Intel 82599ES
                 
                
                            
                
                    R516B
                    Expansion module with 2 SFP+ 10GbE ports, one pair Gen3 bypass, Intel X710-BM2
                 
                
                            
                
                    R518A
                    Expansion module with 4 SFP+ 10GbE ports, two pair Gen3 bypass, Intel 82599ES with PCIe Switch PLX PEX8642
                 
                
                            
                
                    R519A
                    Expansion module with 4 SFP+ 10GbE ports, two pair Gen3 bypass, Intel XL710-BM1