Acer Aspire Es1-521 is very Economical and Heavy Duty Notebook. Its AMD Chipset with Quad core Processor, It has 1 TB Memory Storage. It’s Screen Size is 15.6". Graphics are Good enough in display. It is equipped with Linux OS. There is slot of SD Card which can be inserted in push way to inserted and and Ejected to transfer the Data. It’s Look is also sleek to handle. It has DVD Drive which has Packed with DVD Writer.