16TB - How much is usable?

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#1 Posted by Yazu13 (5185 posts) -

Hello, I am currently thinking about purchasing a 16TB Quad-Bay External HDD, yet I hear only about 10.7TB of that space is actually usable storage.  I don't know if this changes from each manufacturer, but the device itself is the Buffalo Drivestation Quad.  I currently have an 8TB HDD from Buffalo, but month by month it seems I am fast approaching its limits so I was interested in making the leap and going for a large upgrade this time around to quell my storage needs for good.  I run in RAID 0 by the way, and I'd love it if someone could answer how much usable storage is available with that Buffalo 16TB drive.  Thanks.

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#2 Posted by General_X (9137 posts) -
It should have about 14,896GB or 14.55TB of "actual" space once you do the _bits to _bytes conversions.
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#3 Posted by NeverMore0 (1224 posts) -
I don't know what General_X is talking about bits for. Generally when these manufacturers say something is 16 TB they're pretty much lying. What they actually mean is that it's 16,000,000,000,000 bytes, which is equivalent to 14.55 terrabytes.
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#4 Posted by GummiRaccoon (13799 posts) -

Just to clear things up that people don't understand.  

The harddrive manufacturers measure disk size using a base 10 number system, so 16TB is literally 16,000,000,000,000 bytes

Your OS measures disk size using a base 2 system, so 16TB has to be 17,592,186,044,416 bytes.

So when your OS looks at 16,000,000,000,000 bytes, which is smaller than 17,592,186,044,416 (about 90.949% the size)

Your OS will tell you the 16TB (by the manufacturers standard) is 14.55TB.

 

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#5 Posted by deactivated-579f651eab962 (5404 posts) -
Man, you must have a lot of porn!
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#6 Posted by Yazu13 (5185 posts) -

Man, you must have a lot of porn!acanofcoke

I try my best. :D

Anyway, thanks for the replies, though if anybody actually owns the product in question, I would greatly appreciate some feedback.  This person who said the usable storage was around 10.7TB claimed to be an owner of the product.  Buying these things is no simple purchase and I'd rather go into such a large purchase with nothing but confidence.

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#7 Posted by GummiRaccoon (13799 posts) -

[QUOTE="acanofcoke"]Man, you must have a lot of porn!Yazu13

I try my best. :D

Anyway, thanks for the replies, though if anybody actually owns the product in question, I would greatly appreciate some feedback.  This person who said the usable storage was around 10.7TB claimed to be an owner of the product.  Buying these things is no simple purchase and I'd rather go into such a large purchase with nothing but confidence.

for 16TB, 14.55TB is what the OS will report, nothing else.