1GB 200 pin DDR2 SODIMM for Lexmark. Parts-Quick Equivalent to Lexmark Part Numbers: 1025043. \nBEWARE! DO NOT BUY FROM OTHER VENDORS WHO CLAIM THEY ARE SELLING PARTS-QUICK\nBRAND. OUR WARRANTY IS ONLY FOR ITEMS PURCHASED DIRECTLY FROM PARTS-QUICK. ALL\nPRODUCTS BRANDED AS PARTS-QUICK ARE TO BE SOLD SOLELY BY PARTS-QUICK. PARTS-QUICK DOES\nNOT AUTHORIZE THE USE OF IT'S BRANDED PRODUCTS TO OTHER SELLERS. \n Compatible with: \nLexmark X734DE Series, \nLexmark X736DE Series, \nLexmark X738DE Series,\nLexmark X738DTE Series.