Hynix 512MB DDR2 PC4200 OptiPlex GX620 Mini Tower MemoryRAM, Memorystock Part No: 680ms-680-H
Hynix 512MB-533MHz DDR2-533 PC2-4200, 240pin DIMM, 1.8v.These are usualy used in dual channel Please Order Qty 2 for Dual Channel use.. Compatible memory for OptiPlex GX620 Mini Tower
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