2 differnt brands of 120 ssd show different capacities

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23 Jan 2005
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hi i have a SAMSUNG SSD 830 Series reporting as 119.24 GiB in truenas, so i found an adata SU650 with only 111.7 GB capacity and tried to add to the boot pool but getting error that they were different sizes. i know about how the manufacturers measure capacity different but thought they would show the same.
any ideas why different capacity ?
Thanks
 
The Samsung 830's were available in 128GB/256GB/512GB (rather than the 120/250/500 that most drives are now) - this would explain the difference
 
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