Memory
Option #	Manufacturing Part #	Description	Previous Part #
X7050A [S]	512MB (4 × 128MB SDRAM DIMMs)
X7050A [S]	501-4489 [C]	128MB SDRAM DIMM	n/a
X7051A [S]	2 GB (4 × 512MB SDRAM DIMMs) Memory Option
X7051A [S]	501-7385 [C]	512MB SDRAM DIMM	501-5030 [C] 540-5085
X7052A [S]	4 GB (4 × 1GB SDRAM DIMMs)
X7052A [S]	501-5031 [C]	1GB SDRAM DIMM	n/a
X7053A [S]	1 GB (4 × 256MB SDRAM DIMMs) Memory Option
X7053A [S]	501-5401 [C]	256MB SDRAM DIMM	540-5084
X7061A [S]	1 GB (4 × 256MB SDRAM DIMMs)
X7061A [S]	501-6175 [C]	256MB SDRAM DIMM CR1/LC1	n/a
X7062A [S]	2 GB (4 × 512MB SDRAM DIMMs) Memory Option
X7062A [S]	501-6174 [C]	512MB SDRAM DIMM CR1/LC1	n/a
X7063A [S]	4 GB (4 × 1GB SDRAM DIMMs)
X7063A [S]	501-6173 [C]	1GB SDRAM DIMM CR1/LC1	n/a
n/a	501-5030 [C]	512MB SDRAM DIMM	540-5085
n/a	F511-1030 ⁷ [C]	Package of 25 × 512MB SDRAM DIMMs [SKU]	n/a
n/a	501-7385 [C]	512MB SDRAM DIMM	501-5030 [C] 540-5085
n/a	F511-1031 ⁹ [C]	Package of 25 × 1GB SDRAM DIMMs [SKU]	n/a
n/a	501-7386 [C]	1GB SDRAM DIMM	501-6109 [C]

⁷ See FAB article1000920.1 (formerly 201233) for details.
⁹ See FAB article1000920.1 (formerly 201233) for details.

Table Legend
[F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU) [A] = Alternate, can be used in system; wasn't used during production [S] = Supported, but can no longer be ordered with this system [N] = No longer supported for this system Price = Price this Part