after reading and researching so many online reviews in my openion its the best hdd available it is my first wd hard disk and it serves for the price you paid i previously used seagate but i think wd gives more value in terms of size quality and speedthese are my personal openions about the hdd below pros decent speed for 15 tb hdd looks and finish is very good you get about 136 tb for 15 tb hdd high quality usb cable it