|  | 
| Communication |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X1155A
 [S] | 370-2728
 [F] | High Speed Serial Interface PCI (HSI/P) 2.0 | n/a |  
| X1157A
 [S] | 501-3028
 [F] | SunATM-155/MFiber PCI 4.0 | n/a |  
| X2156A
 [S] | 375-0100
 [F] | Serial Asynchronous Interface PCI (SAI/P) 3.0 | n/a |  
| X6762A
 [S] | 375-3089
 [F] | Crypto Accelerator 1000 | n/a |  
| n/a | 501-6346 1
 [F] | Advanced Lights Out Manager (ALOM) Card or Remote Management Card (RMC) | n/a |  
| 1 501-6346-06 replaces 370-6137 
 |  
| 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
 |  |