It is. Everyone except the hard drive manufacturers uses GiB for technical reasons. Hard drive manufacturers use GB for marketing (and clarity, but mostly mar

It is. Everyone except the hard drive manufacturers uses GiB for technical reasons. Hard drive manufacturers use GB for marketing (and clarity, but mostly marketing) reasons. It used to be common to speak of sizes in "hard drive megabytes". Eventually, the disk manufacturers won the pointless semantic battle and that went away. In practice, it matters not in the slightest.