You may find a 3TB drive is only showing 2TB in Computer or Windows Explorer. Or in other words, you can only use 2TB space even if the disk is 3TB or larger. It is believed that people who are troubled by this issue or similar issues would want to know why this happens and how to use all 3TB storage space.
This happens mostly because your hard disk was initialized to MBR. To use all space of 3TB or larger disks, you need to convert the partitioning scheme from MBR to GPT since the latter supports a very large disk. For more details, please read this post.Read more »