Memory
Option #	Manufacturing Part #	Description	Previous Part #
SESX2B1Z [S]	4GB Memory Expansion (2 × 2GB) X-Option
SESX2B1Z [S]	501-7953 [C]	2GB DDR2-667/PC2-5300 1.8V FBDIMM	n/a
SESX2B2Z [S]	4GB Memory Expansion (2 × 2GB) X-Option
SESX2B2Z [S]	511-1161 [C]	2GB DDR2-667/PC2-5300 1.8V FBDIMM	n/a
SESX2B3Z [S]	4GB Memory Expansion (2 × 2GB) X-Option
SESX2B3Z [S]	511-1151 [C]	2GB DDR2-667/PC2-5300 1.5V DIMM	n/a
SESX2C1Z [S]	8GB Memory Expansion (2 × 4GB) X-Option
SESX2C1Z [S]	501-7954 [C]	4GB DDR2-667/PC2-5300 1.8V FBDIMM	n/a
SESX2C3Z [S]	8GB Memory Expansion (2 × 4GB) X-Option
SESX2C3Z [S]	511-1152 [C]	4GB DDR2-667/PC2-5300 1.5V DIMM	n/a
SESX2D3Z [S]	16GB Memory Expansion (2 × 8GB) X-Option
SESX2D3Z [S]	511-1228 [C]	8GB DDR2-667/PC2-5300 1.5V DIMM	n/a
X3100A [S]	594-5947	Memory Mezzanine Kit	n/a
	341-4255	Mezzanine Tray	n/a
	371-3651	Memory Slot Filler, EBS93011010	n/a
	511-1231	Memory Riser	n/a
X5340-A [S]	594-5812	Memory Mezzanine Kit	n/a
	341-4255	Mezzanine Tray	n/a
	371-3651	Memory Slot Filler, EBS93011010	n/a
	501-7678	Memory Riser	n/a
n/a	7059409 [C]	2GB DDR2-667/PC2-5300 1.8V FBDIMM	n/a
n/a	7059410 [C]	4GB DDR2-667/PC2-5300 1.8V FBDIMM	n/a
n/a	F540-7690 [F]	Memory Mezzanine Assembly/FRU [SKU]	n/a
	341-4255	Mezzanine Tray	n/a
	350-1288	DIMM Slot Filler	n/a
	371-3651	Memory Slot Filler, EBS93011010	n/a
	501-7678	Memory Riser	n/a
n/a	F540-7883 [F]	Memory Mezzanine Assembly/FRU [SKU]	n/a
	341-4255	Mezzanine Tray	n/a
	350-1288	DIMM Slot Filler	n/a
	371-3651	Memory Slot Filler, EBS93011010	n/a
	511-1231	Memory Riser	n/a

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