hard drive is 240GB but 15GB of it cannot be used

[aruwin]

Hello, I bought a 240 GB SSD. I did a system backup from the old 500GB HDD using macrium reflect and then re-image it onto the new SSD. The process was successful but there is a big amount space of this SSD that can't be used! Now only 208GB can be used. How do I merge the "unusable" part and this 208GB together WITHOUT USING AND DATA. Here's the screenshot of the partitions.

[usually_quiet]

Some space on an SSD is automatically reserved for wear leveling and can't be used for data.

[aruwin]

Some space on an SSD is automatically reserved for wear leveling and can't be used for data.

What is "wear levelling"?

[usually_quiet]

http://en.wikipedia.org/wiki/Wear_leveling

[aruwin]

http://en.wikipedia.org/wiki/Wear_leveling

But why does it take too much space? Is 15GB the normal size for wear levelling? It doesn't say anything about it there.

[usually_quiet]

Yes, for an SSD of that capacity. The greater the percentage of space that is unused, the longer the the SSD will last.

15 GB is probably the minimum that the software considers safe. A little more empty space would be better. Ideally 20% or more should remain empty.

[roma_turok]

Maybe I wrong but I don't think its wear levelling
I have 3 SSD(x2 120gb, 240gb) none of them have unused space, after install OS
maybe Intel SSD have special needs? I don't know

[Bjs]

Check your original drive for partitions ... it's highly likely this was carried over by macrium if you imaged the whole drive and is the hidden os and apps reinstall partition.

[aruwin]

Check your original drive for partitions ... it's highly likely this was carried over by macrium if you imaged the whole drive and is the hidden os and apps reinstall partition.

How to check?

[roma_turok]

Try Join unused space to partition in Windows disk manager by right click on partition and select Extend volume then next , next...:

[aruwin]

Try Join unused space to partition in Windows disk manager by right click on partition and select Extend volume then next , next...:

[Attachment 22466 - Click to enlarge]

Tried that but the "extend" tab is greyed, i mean it's not clickable.

[fritzi93]

You have to delete the unwanted partition before you can extend the remaining partition. Did you do that?

That amount of reserved space (for wear leveling) is not unreasonable. That is, the remainder after 224 GB (actual) less 209 GB. But you shouldn't see a separate partition in my experience with SSDs. It's doesn't add up anyway to the entire reserved space, which is also shown. I too think it likely that Macrium created that first small partition.

[aruwin]

You have to delete the unwanted partition before you can extend the remaining partition. Did you do that?

That amount of reserved space (for wear leveling) is not unreasonable. That is, the remainder after 240 GB less 209 GB. But you shouldn't see a separate partition in my experience with SSDs. It's doesn't add up anyway to the entire reserved space. I too think it likely that Macrium created it.

Unwanted partition? You mean the unusable partition?

[fritzi93]

I mean the System Reserved, first one from the left, unless you *do* want to keep it. The ~ 15 GB shown in the middle is the SSD's reserved space; you're not going to be able to do anything with that, nor should you.

So you took that screenshot from Macrium? In Windows Disk Management, you won't see reserved space.