512MB 200 pin DDR2 SODIMM for Lexmark. Parts-Quick Equivalent to Lexmark Part Numbers: 1025042BEWARE! 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 PRODUCTS BRANDED AS PARTS-QUICK ARE TO BE SOLD SOLELY BY PARTS-QUICK. PARTS-QUICK DOES NOT AUTHORIZE THE USE OF IT'S BRANDED PRODUCTS TO OTHER SELLERS. .\n. Compatible with: \nLexmark C925DE, C950DE, T654N, W850dn, W850n Series.