I have been using the Seagate Backup Plus Slim 2 TB hard drive for a while now. I am happy with the performance but the only problem is when you connect it to a mac and then connect it to a PC, you have to download a special driver to read it. Although this is not painstakingly difficult, they can actually build a driver compatible to both. I encourage you to buy it because its data transfer rate is high and the whole drive is fairly reliable.