|  | 
| Memory |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X9208A | 1GB (2 × 512MB DDR DIMM) |  
| 540-6236
 [C] | 1GB (2 × 512MB) Memory FRU | n/a |  
|  |  | n/a |  
| X9210A | 4GB (2 × 2GB DDR DIMM) |  
| 540-6238
 [C] | 4GB (2 × 2GB) Memory FRU | n/a |  
|  |  | n/a |  
| X9209A
 [S] | 2GB (2 × 1GB DDR DIMM) |  
| 540-6237
 [C]
 [S] | 2GB (2 × 1GB) Memory FRU | n/a |  
|  |  | n/a |  
| 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
 |  |