C7846A C3913A Q1887A 64MB 100pin SDRAM for HP LaserJet 4000 4050 1200 2200 2300 1300 1320 2500 2505 2550 2605 2700 2820 2840 4100 4200 4300 5000 9000 C3913A, C7846A, Q1887A, C9680A, C9860, KTH-LJ4100-64 New, Tested, 100% working condition Two year replacement warranty