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4TB Hard Drive Shows as 2TB, 1.6TB or Even Less

Posted on Apr 09, 2018 by Jean to Partition Manager

Your 4TB hard drive shows as only 2GB or even less capacity in Windows 10/8/7! Take it easy. The system did not eat the storage space at all. Follow the recommended way on this page to recover the 4TB full capacity on the hard drive.

"I bought a 4TB Western Digital hard drive just yesterday, however, it only shows up as only 2TB in the computer. It's nearly completely empty, I haven't put any files or anything into it. Anyone know how to find the other 2TB capacity?"

Why does 4TB hard drive only show up as 2TB?

In the first place, please download EaseUS partition magic software, where you need to check the partition style of the hard drive in question.

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 Windows 10 is supported

In Windows 10/8.1/8/7:

Launch EaseUS Partition Master.
On the disk map in the lower place, your 4TB hard drive should be labeled as Basic MBR.

That's where the problem arises! There are two prevailing styles of the partition table in Windows, including MBR and GPT. To pinpoint this 4TB not showing full capacity issue, you're supposed to figure out only one noticeable difference between the two items. MBR supports the maximum hard drive capacity of 2TB, while GPT allows for a more flexible disk scheme of an even larger size.

How to restore the full capacity of the 4TB hard drive?

From what we explain, it's not hard to find solutions to solve the problem of 4TB hard drive shows only 2GB or less, not showing the full capacity. We think that the best way is to convert MBR to GPT.

If you're using the Disk Management to make the conversion, you may probably face with the "Convert to GPT" grayed out.

To convert MBR to GPT without data loss, follow the two easy steps in the following:

Step 1. Right-click the 4TB hard drive which displays as MBR style and select "Convert MBR to GPT" option.

convert mbr to gpt to fix 4tb hard drive showing as 2tb

Step 2. Click Apply on the home menu to confirm the change.

After changing the partition table on the 4TB hard drive, it shall no longer show up less space on your computer. If there is unallocated space after the conversion, you can create a new partition on it.

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 Windows 10 is supported