Hiport 4GB RAM Memory For HP Pavilion DV7-1150ET, DV7-1240US, DV7-1260US, DV7-1240EK, DV7-1262US, DV7-1230EO, DV7-1245EF, DV7Z-1000 Cto, DV7-3112SA, DV7-1250EN, DV7-1261WM Laptop Notebook Computers (4GB DDR2-800 PC2-6400 200-pin SODIMM) Capacity: 4GB Form Factor: 200-pin SODIMM Type: DDR2-800 PC2-6400 (non-ECC) Chipset: 2Rx16 8c 1.80V CL6