At first i’m talling to you Dell company giving coustomer service is best from any other’s product, For this cost Dell inspiron 3558 notbook a good model in any others laptop, it’s easy to use and hear harddisk(1tb), ram(4gb-for best & fast performance), &processor performance is good, but this product sound quality is smooth but not high sound, this product designe good, hear supported product is External HDD(3.0) upto 4 tb & USB(2.0) Flash drive supported.So i’m talling can you buy this product.