|  | 
| Memory |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X7056A | 4 GB (4 × 1GB SDRAM DIMMs) |  
| 501-7386
 [F] | 1GB SDRAM DIMM, L | 501-6109
 [F] |  
| X7051A
 [S] | 2 GB (4 × 512MB SDRAM DIMMs) |  
| 501-7385
 [F] | 512MB SDRAM DIMM, L | 501-5030
 [F] |  
| X7051A-Z
 [S] | 2 GB (4 × 512MB SDRAM DIMMs), L |  
| 501-7385
 [F] | 512MB SDRAM DIMM, L | 501-5030
 [F] |  
| X7056A-Z
 [S] | 4 GB (4 × 1GB SDRAM DIMMs), L |  
| 501-7386
 [F] | 1GB SDRAM DIMM, L | 501-6109
 [F] |  
| X7058A-Z
 [S] | 8 GB (4 × 2GB SDRAM DIMMs), L |  
| 540-6489
 [F] | 2GB SDRAM DIMM Assembly, L | n/a |  
|  |  | n/a |  
| n/a | 501-5030
 [F] | 512MB SDRAM DIMM | n/a |  
| n/a | 501-6109
 [F] | 1GB SDRAM DIMM | n/a |  
| n/a | F511-1030 24
 [F] | Package of 25 × 512MB SDRAM DIMMs | n/a |  
|  |  | 501-5030
 [F] |  
| n/a | F511-1031 26
 [F] | Package of 25 × 1GB SDRAM DIMMs | n/a |  
|  |  | 501-6109
 [F] |  
| 24 See FAB article1000920 (formerly 201233) for details. 26 See FAB article1000920.1 (formerly 201233) for details.
 
 |  
| 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
 |  |