| Communication | 
| Option # | Manufacturing Part #
 | Description | Previous Part #
 | 
| X1355A-2  Price | 371-0982 | 2M, 80-Pin, 4-Port, DB37, RS449 Breakout Cable, | n/a | 
| 375-3296
 [F] | Quad Port High Speed Serial Interface PCI-X (HSI/U), | n/a | 
| X1074A 1
 [S] | 370-3868
 [F] | SCI Adapter (SCI/P) | n/a | 
| 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 | 
| X1158A
 [S] | 501-3027
 [F] | SunATM-155/UTP PCI 4.0 | n/a | 
| X1159A
 [S] | 501-3029
 [F] | SunATM-622/MFiber PCI 4.0 | n/a | 
| X1233A
 [S] | 375-3259 2
 [C] | Dual Port 4x InfiniBand Host Channel Adapter | n/a | 
| X1333A-4
 [S] | 375-3418
 [F] | Infiniband PCI-X Card, L | n/a | 
| X2156A
 [S] | 375-0100
 [F] | Serial Asynchronous Interface PCI (SAI/P) 3.0 | n/a | 
| X2156A-2
 [S] | 375-3420
 [F] | Serial Asynchronous Interface PCI (SAI/P) 3.0, | n/a | 
| X4011A
 [S] | 501-6039
 [F] | Crypto Accelerator 4000 UTP (copper) | n/a | 
| X4012A
 [S] | 501-6040
 [F] | Crypto Accelerator 4000 MMF (fiber) | n/a | 
| X4111A
 [S] | 501-6039
 [F] | Crypto Accelerator 4000 UTP (copper) | n/a | 
| X4112A
 [S] | 501-6040
 [F] | Crypto Accelerator 4000 MMF (fiber) | n/a | 
| X6762A
 [S] | 375-3089
 [F] | Crypto Accelerator 1000 | n/a | 
| n/a | 501-6346
 [F] | Advanced Lights Out Manager (ALOM) Card or Remote Management Card (RMC) | n/a | 
| n/a | 501-7337
 [F] | Advanced Lights Out Manager (ALOM) Card or Remote Management Card (RMC), L | n/a |