Hiport 1GB RAM Memory For Emachines E442, E527, E640, E642, E727, E730, EMD528-2496, EME442-V133, EME527-2537, ER1401-57, G640, D640, E525, E725 Laptop Notebook Computers (1GB DDR3-1066 PC3-8500 204-pin SODIMM) Capacity: 1GB Form Factor: 204-pin SODIMM Type: DDR3-1066 PC3-8500 (non-ECC) Chipset: 1Rx8 8c 1.50V CL9