Their claimed storage is correct. "Real gigabytes" are what disk manufacturers, and Linux, and others report. Microsoft calculates gibibytes (GiB, 2^9) but has

Their claimed storage is correct. "Real gigabytes" are what disk manufacturers, and Linux, and others report. Microsoft calculates gibibytes (GiB, 2^9) but has always labeled them as gigabytes (GB, 10^3), which is what perpetuates this confusion.