|  | 
| I/O |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| n/a | 371-2097
 [C] | Front I/O Board, | n/a |  
| n/a | 371-2100
 [C] | 1-Slot ×16 PCI Express Riser, | n/a |  
| n/a | 371-4188 1
 [C] | 1-Slot ×16 PCI Express Riser, | n/a |  
| 1 Part has incorrect part number (375-4188) printed on card barcode label. 
 |  
| Table Legend |  
| [F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU)
 [S] = Supported, but can no longer be ordered with this system
 [N] = No longer supported for this system
 Price = Price this Part
 |  |