Option # Manufacturing
Part # Description Previous
Part #

SESX2B2Z	4GB Memory Expansion (2 × 2GB) X-Option,
	511-1161 [C]	2GB DDR2-667/PC2-5300 1.8V FBDIMM,	n/a
SESX2C1Z	8GB Memory Expansion (2 × 4GB) X-Option,
	501-7954 [C]	4GB DDR2-667/PC2-5300 1.8V FBDIMM,	n/a
SESX2A1Z [S]	2GB Memory Expansion (2 × 1GB) X-Option,
	501-7952 [C]	1GB DDR2-667/PC2-5300 1.8V FBDIMM,	n/a
SESX2A2Z [S]	2GB Memory Expansion (2 × 1GB) X-Option,
	511-1264 [C]	1GB DDR2-667/PC2-5300 1.8V FBDIMM,	n/a
SESX2B1Z [S]	4GB Memory Expansion (2 × 2GB) X-Option,
	501-7953 [C]	2GB DDR2-667/PC2-5300 1.8V FBDIMM,	n/a
SESX2D1Z [S]	16GB Memory Expansion (2 × 8GB) X-Option,
	511-1262 [C]	8GB DDR-667/PC2-5300 1.8V FBDIMM,	n/a

Table Legend

[F] = Field Replaceable Unit

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