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Windows 7: Flash drive size misrepresented

17 Feb 2017   #11
jumanji

Windows 7 Home Premium 32 bit
 
 

Quote   Quote: Originally Posted by TheCoolBean View Post
I've got a thumb drive that supposedly is 1tb in size, I know that is wrong however formatting doesn't help, I would like.to know if there is any way, to find out the actual size and repartition and format it to that
Manufacturer? Model Name/number? Why are you not giving these details for us to check?

Wherefrom did you buy the 1TB flash drive and at what price? Did you buy it because it was cheap?

Does it carry the manufacturer's warranty? If you buy a genuine flash drive and if it is faulty, the manufacturer will replace it under warranty. If you bought a fake drive you lost your money.

Download and test your flash drive with H2TestW. If it is a fake drive return it to the vendor and try to get back your money ( oftentimes impossible :)).

Testing your 1tb flash drive:

Download and extract h2testw_1.4.zip from H2testw Download

Plugin only your 1TB flash drive ( Please remove all other external drives/Flash drives from your PC so that you do noet accidentally run the test on a wrong drive)

Right click on h2testw.exe and run as administrator. Choose English Language.

Click on Select target and choose your 1TB flash drive. Select all available Space and then click on Write+ Verify. Wait until it finishes scanning the available space on your flash drive.

You will now know the actual capacity of your drive.

If you are unable to run the test, your 1TB drive is already dead.


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18 Feb 2017   #12
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

base explanation -

The SSD/HDD manufacture always calculate in Gigabytes (mathematical base 1000) whereas Windows calculates in GibiBytes (mathematical base 1024).

Therefore 240 GB = 240,000,000 bytes = 228,9 GiB.


note you will also find a disclaimer on the packaging
some of the listed storage capacity is used for formatting and other purposes,

So basically even before you start youv'e lost 2 chunks of space.
(my 525 ssd comes back as 488)

Roy
My System SpecsSystem Spec
18 Feb 2017   #13
HAVOC

Windows 7 Professional 64bit
 
 

Quote   Quote: Originally Posted by TheCoolBean View Post
I've got a thumb drive that supposedly is 1tb in size, I know that is wrong however formatting doesn't help, I would like.to know if there is any way, to find out the actual size and repartition and format it to that
There are many utilities that will write/erase a thumb drive to figure out the correct size. This is useful to see if the drive is fake. Do a google search for "fake thumb drive test". I have no experience with these tools so I can't help in recommending which one to use.
My System SpecsSystem Spec
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18 Feb 2017   #14
Megahertz07

Windows 7 HP 64
 
 

As Jumanji mentioned, there are many high capacity USB flash drives that are fake.
I once bought a 64G that was only 2G.
Use the H2testw to find out the real capacity.
My System SpecsSystem Spec
Reply

 Flash drive size misrepresented




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