NVMe Drive Much Smaller than Advertised

Three years ago I purchased a 1TB NVMe to install as my new C: drive. I’ve been considering getting a new one to install MSFS on since I currently have it installed on an HDD (Disk 3 below). Unfortunately, it appears that this NVMe has much less capacity than 1TB. I know that drives don’t actually ship with their advertised capacity, but this seems a bit extreme. It’s Disk 2 below:

DISKPART> list disk

Disk ### Status Size Free Dyn Gpt


Disk 0 Online 1863 GB 1024 KB *
Disk 1 Online 111 GB 1024 KB *
Disk 2 Online 465 GB 5120 KB *
Disk 3 Online 1863 GB 1024 KB

465GB seems to be a lot less than 1TB. Disk Manager doesn’t show any Unallocated space. I bought this from NewEgg and contacted them (yes, I know, three years after the fact). I asked “So you’re saying that less than half of the advertised capacity is normal?” and their response was “It can change due to your parts, it always varies.”

Yes, I realize that I didn’t catch this earlier and that’s on me - trust me, I’ve learned my lesson. My question is, if a drive is advertised as 1TB and it shows 465 GB, is that normal or did they really ship me a 500GB drive and I just didn’t notice? Is the space there somewhere and Windows just doesn’t see it? Is there another way to check it?

Thanks, I appreciate the help and advice.

I would pop the drive out and look at the label. If it’s 1 TB then I would reset my page file. Also clear out your recycle bin. Pagefiles aren’t usually that big, but it can’t hurt to reset it.

You can try turning off “Automatically manage paging file size for all drives”, tick “Custom size” for your NvME drive, enter the initial size and maximum size, and then click “Set” and “OK”. Reboot the computer. Common wisdom is to set the page file size to one and a half times the total amount of RAM for Initial size (MB.) And three times the amount of RAM for Maximum size (MB.)

Also, did you clone an existing drive to your new NvME drive. If so, then the partition size of the cloned drive will be all you see unless you used Partition Magic (or similar) to create a new partition in the missing drive space.

Thanks for the quick response. The label does show 1TB. I did clone it… is there some way to get that space back, if that’s the problem?

Yes, go into diskmanager, find the drive, you should see a black bar of about 500Gb next to the blue portion on the same drive. Right click on the Blue (470 gb bit) and select Expand.

No black bar - I looked for Unallocated space but didn’t find any…

In diskpart, type:- Select Disk 2
It should say disk 2 selected.
Then type:- List Partition

Thanks…

I think that disk is incorrectly labelled. What happens if you do a List Volume? If you still have your original source disk, could you wipe it completely and see what it shows up as?

Actually, better idea. What size is it reported as in the BIOS? That will read the hardware regardless of partitions etc.

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Well I guess that answers the question. The label clearly reads 1TB and that’s what shows on my order as well. Let this be a lesson to those who might stumble upon this thread down the road. Caveat emptor and don’t be an idiot like me and just assume you’ll get what you ordered.

Thanks very much to all that replied, and thanks to XR219 for suggesting that I check the BIOS. I certainly didn’t think about that.

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