What is the difference between these two Hard drives besides the price? Also, will I notice a different one from another?
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148840
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148321
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148840
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148321