22    PowerEdge C6220 Technical Guide     
  Interface type: Two MiniSAS SFF-8087 x4 connectors 
  Interfaces transfer rate: Up to 3Gbps per port 
Table 11 lists the supported add-in cards for the PowerEdge C6220 server. 
Table 11.  PCIe slot configuration by drive controller 
Factory hard drive  
controller configuration 
LED indicators 
For more information on LED indicators, see the 
Dell PowerEdge C6220 Systems Hardware Owner’s 
Manual 
on Dell.com/Support/Manuals.  
Optical drive 
The PowerEdge C6220 chassis does not support optical drives. If needed, any external USB 2.0-
compliant drive can be used, although no specific vendors have been qualified.  
Tape drive 
The PowerEdge C6220 chassis does not support an internal tape drive. External storage peripherals 
are not directly validated with PowerEdge C6220, but customers can use any supported network-
based storage options validated with our network and fabric card matrix.