I had purchased Dell inspiron 3520 .I purchased it two year ago since that it working still I am using it it has good features like 8GB RAM and 1TB hardisk and it has window 8, 64 bit os and it has also 2 GB graphics and one thing also I want to tell you that it is a good product. I am using it roughly but yet it has not show any problem one thing I want to tell you that this is a good product.so I am recommending it for you