What size is this x360 disk supposed to be?

[jwg]

My x360 says it has the following SSD:

Model Name: SanDisk X300 Solid State Drive
Model Number: SanDisk SD7SN6S-512G-1006
SATA Revision: Gen3
SATA Link Speed: 6.0 Gb/s
Serial Number: xxxxxxxxxxxxxxx
Maximum LBA: 1000215215
IEEE OUI: 01b44h
4k Alignment: Yes
The firmware version is X3511006

Based on the model number, this appears to be a 512Gb drive. However, windows is showing it as 128Gb. I booted my machine with Linux, and it shows the same thing.

What am I missing here? Why with a model number of 512G would this only be a 128G drive?

I don't recall what the original specs said when I bought the computer, and they are no longer showing online.

I've tried any number of suggestions (short of wiping out the disk and reformatting and restoring from my image backup (which could just reset things to the same disk size anyway, unless someone can tell me how to change the partition size on restore).

[iomare]

Hi,

When you look in disk management (in Windows) what do you see?

If you disk part in CMD what does it list under partitions or disk size?

Let us know,

David

[banhien]

@jwg 

Its specs

           https://support.hp.com/au-en/document/c04746338

It has  512GB solid-state drive. You only see 128GB  that probably that is logical driver C: you should see 😧 or E: which is larger and they are on PHYSICAL 512GB HDD.

Regards.

[jwg]

Here's what diskpart shows:

DISKPART> detail disk

SanDisk SD7SN6S-512G-1006
Disk ID: {C4C5F858-4284-4126-80AA-8BAE2D5281D0}
Type : SATA
Status : Online
Path : 0
Target : 0
LUN ID : 0
Location Path : PCIROOT(0)#PCI(1F02)#ATA(C00T00L00)
Current Read-only State : No
Read-only : No
Boot Disk : Yes
Pagefile Disk : Yes
Hibernation File Disk : No
Crashdump Disk : Yes
Clustered Disk : No

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 C Windows NTFS Partition 126 GB Healthy Boot
Volume 1 FAT32 Partition 260 MB Healthy System
Volume 2 WINRE NTFS Partition 731 MB Healthy Hidden

DISKPART>

So, according to this it is not a 512GB disk.  I reinitialized the disk using diskpart, examined it with gparted -- same thing.  So, in spite of what the specs say, or the part number shown indicating a 512GB disk,  at this point it appears that it is only 128GB.

[banhien]

---

@jwg wrote:

.. SanDisk SD7SN6S-512G-1006

---

@jwg 

SanDisk SD7SN6S-512G-1006 is a 512GB disk:

            https://www.disctech.com/SanDisk-SD7SN6S-512G-512GB-SATA-SSD

As mentioned above your machine has 512GB of physical disk and C: only has 128GB. For example on one of my machine. My machine has physical Disk 0 (around 512GB)  which has 2 main partitions C: and 😧

  

Can you use Disk Management to look at your machine as shown above ?

Regards.

[jwg]

I understand.  Disk Management reports the same information as diskpart that I posted above, indicating that aside from partition labeled C:, there are no other large partitions.  I think this machine got shipped with a mislabeled/identified SSD.

[Huffer]

No debate: that is a 128 gig disk not a 512. 

[banhien]

@jwg 

That means shows how you have a machine does not match its specs

                https://support.hp.com/au-en/document/c04746338

Did you buy it brand new or secondhand ? And dispart shows it a wrong M.2 SSD.

Regards.

[jwg]

Clearly there is a mismatch -- here's what's actually inside:

[Huffer]

Very strange. On further review the size being reported does not actually match a 128 gig drive either. It's slightly larger. I would say there is something corrupted in the partition table of the disk. The only fix I think has a chance is to "low level format" or "zero fill" it and start from scratch. You can do this with a clean all command in diskpart.