2) If I have a 1 TB internal hard drive, will I also need any additional storage devices? No, an internal hard drive with 1 TB of space has enough room to store all of your data, and it's easily portable. Yes, you might want to purchase an external hard drive for better portability or to back up data on your internal hard drive. Yes you should because an internal hard drive with 1 TB of space hardly has enough space to hold all of the information in one library book. No, an internal hard drive with 1 TB of space is not enough; 256 GB would be better.