304003-B21 - HP - 512MB Kit 2X256MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM Dual Rank Memory 304003-B21 - HP - 512MB Kit 2X256MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM Dual Rank Memory $162.13 $137.40
408851-B21 - HP - 2-GB (2x1GB) PC2-5300 SDRAM Kit 408851-B21 - HP - 2-GB (2x1GB) PC2-5300 SDRAM Kit $69.38 $58.80
497763-B21 - HP - 2-GB (2x1GB) PC2-6400 SDRAM Kit 497763-B21 - HP - 2-GB (2x1GB) PC2-6400 SDRAM Kit $70.73 $59.94
715286-B21 - HP - 16GB PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM Dual Rank 1.35V Low Voltage Dual Rank Memory Module 715286-B21 - HP - 16GB PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM Dual Rank 1.35V Low Voltage Dual Rank Memory Module $81.68 $69.22