| Miscellaneous | 
| Option # | Manufacturing Part #
 | Description | Previous Part #
 | 
| X1131A-64.1
 [S] | 375-0075
 [C] | SunPCi 300MHz | n/a | 
| X1131A-64.2
 [S] | 375-0095
 [C] | SunPCi 400MHz | n/a | 
| X2131A
 [S] | 375-0131
 [C] | SunPCi II 600MHz, 64MB memory | n/a | 
| X2132A
 [S] | 375-3051
 [C] | SunPCi IIpro 733MHz coprocessor card | n/a | 
| X7035A
 [S] | 370-3801
 [C] | SunPCi 128MB memory expansion | n/a | 
| X7041A
 [S] | 370-3800
 [C] | SunPCi 64MB memory expansion | n/a | 
| X7042A
 [S] | 370-4294
 [C] | SunPCi II 128MB memory expansion | n/a | 
| X7044A
 [S] | 370-4295
 [C] | SunPCi II 256MB memory expansion | n/a | 
| X7045A
 [S] | 370-4430
 [C] | SunPCi IIpro 512MB memory expansion | n/a | 
| n/a | 370-3197
 [C] | PCI Riser Board (no stiffener or bracket) | n/a | 
| n/a | 370-3982 | PCI Riser Board (stiffener, no bracket) | n/a | 
| n/a | 540-4228
 [C] | PCI Riser Board (stiffener and bracket) | n/a |