|  | 
| Memory |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X1021A
 [S] | 370-1401
 [F] | SBus Prestoserve NFS Accelerator | n/a |  
| X1075A
 [S] | 375-0012
 [F] | 32MB SBus NVRAM Board | n/a |  
| X7001A 2
 [S] | 501-2479
 [F] | 16MB DIMM | n/a |  
| X7002A 3
 [S] | 501-2622
 [F] | 32MB DIMM | n/a |  
| X7003A 4
 [S] | 501-2480
 [F] | 64MB DIMM | n/a |  
| X7004A 5
 [S] | 501-3136
 [F] | 128MB DIMM | n/a |  
| X7043A 6
 [S] | 501-5691
 [F] | 64MB DIMM | n/a |  
| 2 32MB (2 X 16MB DIMM) 3 64MB (2 × 32MB DIMM)
 4 128MB (2 × 64MB DIMM)
 5 256MB (2 × 128MB DIMM)
 6 128MB (2 × 64MB DIMM), 5V
 
 |  
| 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
 |  |