HP Q2627A Q7719A 256MB 100pin DDR SDRAM DIMM for HP LaserJet 9040 9040n 9040dn 9040mfp 9050 9050dn 9050n 9050mfp Printer Memory 256MB 100pin DDR printer memory upgrade Part#: Q2627A, Q7719A 100% Compatible with Lifetime Warranty Manufactured by Keystron, LLC Keystron is a registered trademark of Keystron, LLC