| Ethernet | 
| Option # | Manufacturing Part #
 | Description | Previous Part #
 | 
| X1033A
 [S] | 501-5019
 [C] | Sun FastEthernet PCI Adapter (FE/P) 2.0 | n/a | 
| X1034A
 [S] | 501-5406
 [C] | Quad FastEthernet PCI (QFE/P) | n/a | 
| X1141A
 [S] | 501-4373
 [C] | Gigabit Ethernet PCI (GBE/P) 2.0 | n/a | 
| X1150A
 [S] | 501-5902
 [C] | Sun GigaSwift Ethernet UTP (Copper) | n/a | 
| X1151A
 [S] | 501-5524
 [C] | Sun GigaSwift Ethernet MMF (Fiber) | n/a | 
| X3150A
 [S] | 501-5902
 [C] | Sun GigaSwift Ethernet UTP (Copper) | n/a | 
| X3151A
 [S] | 501-5524
 [C] | Sun GigaSwift Ethernet MMF (Fiber) | n/a | 
| X4150A
 [S] | 501-6719
 [C] | GigaSwift Ethernet UTP (GCS) | n/a | 
| X4150A-2
 [S] | 501-7415
 [C] | GigaSwift Ethernet UTP (GCS), | n/a | 
| X4151A
 [S] | 501-6762
 [C] | GigaSwift Ethernet MMF (GFS) | n/a | 
| X4151A-2
 [S] | 501-7430
 [C] | GigaSwift Ethernet MMF (GFS), | n/a | 
| X4444A 10
 [S] | 501-6522
 [C] | Quad GigaSwift Ethernet UTP (QGE) | n/a | 
| X4445A
 [S] | 501-6738
 [C] | Quad GigaSwift PCI-X Ethernet (QGE-X), | n/a |