title_left:  "HP, 497765-B21, MEMORY 4GB ( 2X 2GB ) PC-6400"@en 497765-B21 "HP
description_left: "HP, 497765-B21, MEMORY 4GB ( 2X 2GB ) PC-6400"@en 
title_right:  "HP - DDR2 4 GB : 2 x DIMM 240-pin"@en, " HP memory 240-pin Series "@en Overview CNET"@en