HP 419151-001 - 512MB, 667MHz, PC2-5300, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module) Part 419151-001 598861-001 Retail
HP 500010-001 - 512MB, 667MHz, PC2-5300, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module) Part 500010-001 598861-001 Retail