Full Details from Amazon.com : http://www.amazon.com/gp/product/B00COQP3XC?tag=onigi-204GB (1X4GB) MEMORY RAM SODIMM Compatible with Acer Aspire 5349-2592 Notebook Series204PIN SODIMM DDR3 SDRAM DDR3-PC10600 PC3-1333MHZ 1 SINGLE PC