Memory
Option #	Manufacturing Part #	Description	Previous Part #
X7702A-4 [S]	512MB DDR1 Memory Option, (2 × 256MB DIMMs)
X7702A-4 [S]	371-1115	256MB Registered ECC DDR1 DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
X7703A-4 [S]	1GB DDR Memory Option, (2 × 512MB DIMMs)
	370-7972	512MB PC2700 DIMM	n/a
	371-1116	512MB Registered ECC DDR1 DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
X7704A-4 [S]	2GB DDR1 Memory Option, (2 × 1GB DIMMs)
	370-7973	1GB PC2700 DIMM	n/a
	371-1117	1GB Registered ECC DDR1 DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
X7711A-4 [S]	4GB DDR Memory Option, SPD 0.0 or 1.0 (2 × 2GB DIMMs)
	370-7672 ⁶	2GB Registered DDR DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
	370-7974	2GB PC2700 DIMM	n/a
n/a	540-6402 [F]	Qty 2 - 2GB DIMMs (4GB Memory Assembly)	n/a
	370-7672 ⁵	2GB Registered DDR DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
	370-7974	2GB PC2700 DIMM	n/a
n/a	540-6775 [F]	Qty 2 - 256MB DIMMs (512MB Memory Assembly)	n/a
n/a	371-1115	256MB Registered ECC DDR1 DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
n/a	540-6776 [F]	Qty 2 - 512MB DIMMs (1GB Memory Assembly)	n/a
	370-7972	512MB PC2700 DIMM	n/a
	371-1116	512MB Registered ECC DDR1 DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a
n/a	540-6777 [F]	Qty 2 - 1GB DIMMs (2GB Memory Assembly)	n/a
	370-7973	1GB PC2700 DIMM	n/a
	371-1117	1GB Registered ECC DDR1 DIMM (SPD 0.0 or 1.0) PC2100 & faster	n/a

⁵ 2GB DIMMs are only supported in the 1.336GHz Sun Fire V210.
⁶ 2GB DIMMs are only supported in the 1.336GHz Sun Fire V210.
NOTE: Reference the Open Boot PROM requirements for your system.

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