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SSD Question

H

hacksaw1101

macrumors newbie
Original poster
Jun 12, 2015
3
0
Quick question and maybe this is dumb but...

I recently bought a fully specced 13" 2015 MBP Retina. The SSD is 1 TB. I have always understood 1TB to actually be 1024 GB. When looking at the drive in Finder or About This Mac it reads a capacity of 999.32 GB. So my question is where are my other 24+ GB?
 
hacksaw1101 said:
Quick question and maybe this is dumb but...

I recently bought a fully specced 13" 2015 MBP Retina. The SSD is 1 TB. I have always understood 1TB to actually be 1024 GB. When looking at the drive in Finder or About This Mac it reads a capacity of 999.32 GB. So my question is where are my other 24+ GB?
Click to expand...

Your understanding doesn't match up with the manufacturers.

https://support.apple.com/en-us/HT201402
 
No I mean Apple sells 128, 256, 512 and 1TB. Seems like it would make more sense to call them 125, 250, 500 and 1TB.
 
hacksaw1101 said:
No I mean Apple sells 128, 256, 512 and 1TB. Seems like it would make more sense to call them 125, 250, 500 and 1TB.
Click to expand...

No, they'er a 128, 256 and 512GB drives. Those are the actual capacities of the drives. Why would they call them something else?

Maybe I shouldn't be surprised, but in this day and age I don't get why this question is still being asked. HDDs sizes typically haven't been reported correctly by the operating system.
 
hacksaw1101 said:
Quick question and maybe this is dumb but...

I recently bought a fully specced 13" 2015 MBP Retina. The SSD is 1 TB. I have always understood 1TB to actually be 1024 GB. When looking at the drive in Finder or About This Mac it reads a capacity of 999.32 GB. So my question is where are my other 24+ GB?
Click to expand...

Yes but there is something difference
1TB is 1024GB of course
but to the company
1TB is 1000GB
there is difference

Of course 1GB is 1000MB to the company
actually it is not 1GB
 
cozy1234 said:
Yes but there is something difference
1TB is 1024GB of course
but to the company
1TB is 1000GB
there is difference

Of course 1GB is 1000MB to the company
actually it is not 1GB
Click to expand...

It still adds up to something that really doesn't matter. By Apple's definition your storage reporting from Finder is 99.932% accurate at least...
 
Hard disk space has ALWAYS been reports in whole 1,000's ... always. Don't get confused with RAM which is reported in a "2 to the power" (1024, 2048 etc etc)

So, a 20MB hard drive was always 20,000,000 bytes, always.

1TB = 1000 GB = 1,000,000 MB

Just the way it has always been.
 
cozy1234 said:
Yes but there is something difference
1TB is 1024GB of course
but to the company
1TB is 1000GB
there is difference

Of course 1GB is 1000MB to the company
actually it is not 1GB
Click to expand...
Actually it still is.

In storage, 1GB = 1000MB.

In memory (RAM), 1GB = 1024MB.

Storage has always been reported in this way, while RAM values have always been reported in 2^x values.
 
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